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Home / 443
Area Code:443
Primary City:Baltimore, MD
443 is a phone number area code located in Baltimore, MD.
Please check general information and active prefixes in this area code.
Active Prefixes in Area Code 443
Prefix: 443-200-####
City: Baltimore, MD
County: Baltimore City
Company: Allegiance Telecom
Prefix: 443-201-####
City: Westminster, MD
County: Carroll
Company: Cellco Partnership DBA Verizon Wireless
Prefix: 443-202-####
City: Baltimore, MD
County: Baltimore City
Company: Cellco Partnership DBA Verizon Wireless
Prefix: 443-203-####
City: West River, MD
County: Anne Arundel
Company: Verizon Maryland
Prefix: 443-204-####
City: Pikesville, MD
County: Baltimore
Company: New Cingular Wireless PCS - DC
Prefix: 443-205-####
City: Cambridge, MD
County: Dorchester
Company: Sprint Spectrum L.p.
Prefix: 443-206-####
City: Perryville, MD
County: Cecil
Company: Cellco Partnership DBA Verizon Wireless
Prefix: 443-207-####
City: Elkton, MD
County: Cecil
Company: Omnipoint Communications Enterprises, L.p.
Prefix: 443-208-####
City: Essex, MD
County: Baltimore
Company: Sprint Spectrum L.p.
Prefix: 443-209-####
City: Havre De Grace, MD
County: Harford
Company: Cavalier Telephone (mid-atlantic)
Prefix: 443-210-####
City: Aberdeen, MD
County: Harford
Company: Sprint Spectrum L.p.
Prefix: 443-212-####
City: Sparks Glencoe, MD
County: Baltimore
Company: Us Lec Of Maryland
Prefix: 443-218-####
City: Reisterstown, MD
County: Baltimore
Company: Global Crossing Local Services-md
Prefix: 443-219-####
City: Baltimore, MD
County: Baltimore City
Company: Level 3 Communications
Prefix: 443-220-####
City: Baltimore, MD
County: Baltimore City
Company: Verizon Maryland
Prefix: 443-221-####
City: Annapolis, MD
County: Anne Arundel
Company: Level 3 Communications
Prefix: 443-222-####
City: Reisterstown, MD
County: Baltimore
Company: Xo Maryland
Prefix: 443-223-####
City: Annapolis, MD
County: Anne Arundel
Company: Cellco Partnership DBA Verizon Wireless
Prefix: 443-224-####
City: Baltimore, MD
County: Baltimore City
Company: Mci Worldcom Communications
Prefix: 443-225-####
City: Cambridge, MD
County: Dorchester
Company: Sprint Spectrum L.p.
Prefix: 443-226-####
City: Baltimore, MD
County: Anne Arundel
Company: Sprint Spectrum L.p.
Prefix: 443-227-####
City: Port Deposit, MD
County: Cecil
Company: Ctc Communications Corp.
Prefix: 443-228-####
City: Middle River, MD
County: Baltimore
Company: Us Lec Of Maryland
Prefix: 443-229-####
City: Severna Park, MD
County: Anne Arundel
Company: Cavalier Telephone Mid-atlantic
Prefix: 443-230-####
City: Odenton, MD
County: Anne Arundel
Company: Ctc Communications Corp.
Prefix: 443-231-####
City: Baltimore, MD
County: Baltimore City
Company: AT&T Local
Prefix: 443-232-####
City: Willards, MD
County: Wicomico
Company: Cavalier Telephone (mid-atlantic)
Prefix: 443-233-####
City: Mardela Springs, MD
County: Wicomico
Company: Cavalier Telephone (mid-atlantic)
Prefix: 443-234-####
City: Snow Hill, MD
County: Worcester
Company: Cavalier Telephone (mid-atlantic)
Prefix: 443-235-####
City: Salisbury, MD
County: Wicomico
Company: Cellco Partnership DBA Verizon Wireless
Prefix: 443-213-####
City: Baltimore, MD
County: Baltimore City
Company: Verizon Maryland
Prefix: 443-214-####
City: Annapolis, MD
County: Anne Arundel
Company: New Cingular Wireless PCS - DC
Prefix: 443-215-####
City: Chestertown, MD
County: Kent
Company: Core Communications
Prefix: 443-216-####
City: Dundalk, MD
County: Baltimore
Company: Cavalier Telephone Mid-atlantic
Prefix: 443-217-####
City: Annapolis, MD
County: Anne Arundel
Company: Core Communications
Prefix: 443-236-####
City: Cardiff, MD
County: Harford
Company: Core Communications
Prefix: 443-237-####
City: North Beach, MD
County: Calvert
Company: Core Communications
Prefix: 443-238-####
City: Parkton, MD
County: Baltimore
Company: Ctc Communications Corp.
Prefix: 443-239-####
City: Easton, MD
County: Talbot
Company: New Cingular Wireless PCS - DC
Prefix: 443-240-####
City: Baltimore, MD
County: Baltimore City
Company: New Cingular Wireless PCS - DC
Prefix: 443-241-####
City: Westminster, MD
County: Carroll
Company: Global Naps South
Prefix: 443-242-####
City: Sparrows Point, MD
County: Baltimore
Company: Cavalier Telephone Mid-atlantic
Prefix: 443-243-####
City: Fallston, MD
County: Harford
Company: Cellco Partnership DBA Verizon Wireless
Prefix: 443-244-####
City: Westminster, MD
County: Carroll
Company: Level 3 Communications
Prefix: 443-245-####
City: Elkton, MD
County: Cecil
Company: Cavalier Telephone (mid-atlantic)
Prefix: 443-246-####
City: Elkton, MD
County: Cecil
Company: Core Communications
Prefix: 443-247-####
City: Union Bridge, MD
County: Carroll
Company: Ctc Communications Corp.
Prefix: 443-248-####
City: Catonsville, MD
County: Baltimore
Company: Cellco Partnership DBA Verizon Wireless
Prefix: 443-249-####
City: Stevensville, MD
County: Queen Annes
Company: Verizon Maryland
Prefix: 443-250-####
City: Baltimore, MD
County: Baltimore City
Company: Sprint Spectrum L.p.
Prefix: 443-251-####
City: Chestertown, MD
County: Kent
Company: Local Access LLC
Prefix: 443-252-####
City: Perryville, MD
County: Cecil
Company: Cellco Partnership DBA Verizon Wireless
Prefix: 443-253-####
City: Baltimore, MD
County: Baltimore City
Company: New Cingular Wireless PCS - DC
Prefix: 443-254-####
City: Annapolis, MD
County: Anne Arundel
Company: Omnipoint Communications Cap Operations
Prefix: 443-255-####
City: Baltimore, MD
County: Baltimore City
Company: New Cingular Wireless PCS - DC
Prefix: 443-256-####
City: North East, MD
County: Cecil
Company: Ctc Communications Corp.
Prefix: 443-257-####
City: Baltimore, MD
County: Baltimore City
Company: Cellco Partnership DBA Verizon Wireless
Prefix: 443-258-####
City: Easton, MD
County: Talbot
Company: New Cingular Wireless PCS - DC
Prefix: 443-259-####
City: Columbia, MD
County: Howard
Company: Verizon Maryland
Prefix: 443-260-####
City: Salisbury, MD
County: Wicomico
Company: Verizon Maryland
Prefix: 443-261-####
City: Severna Park, MD
County: Anne Arundel
Company: Mci Worldcom Communications
Prefix: 443-262-####
City: Centreville, MD
County: Queen Annes
Company: Verizon Maryland
Prefix: 443-263-####
City: Baltimore, MD
County: Baltimore City
Company: Verizon Maryland
Prefix: 443-264-####
City: Pikesville, MD
County: Baltimore
Company: Xo Maryland
Prefix: 443-265-####
City: Fork, MD
County: Baltimore
Company: Cavalier Telephone Mid-atlantic
Prefix: 443-272-####
City: Baltimore, MD
County: Baltimore City
Company: Teleport Communications America
Prefix: 443-273-####
City: Reisterstown, MD
County: Baltimore
Company: Teleport Communications America
Prefix: 443-274-####
City: Severn, MD
County: Anne Arundel
Company: Verizon Maryland
Prefix: 443-275-####
City: Baltimore, MD
County: Baltimore City
Company: Comcast Phone Of Northern Maryland
Prefix: 443-276-####
City: Baltimore, MD
County: Baltimore City
Company: Allegiance Telecom
Prefix: 443-277-####
City: Sykesville, MD
County: Carroll
Company: Sprint Spectrum L.p.
Prefix: 443-278-####
City: Baltimore, MD
County: Baltimore City
Company: Vdl DBA Global Telecom Brokers
Prefix: 443-279-####
City: Baltimore, MD
County: Baltimore City
Company: Allegiance Telecom
Prefix: 443-280-####
City: Sykesville, MD
County: Carroll
Company: New Cingular Wireless PCS - DC
Prefix: 443-281-####
City: Baltimore, MD
County: Baltimore City
Company: Allegiance Telecom
Prefix: 443-282-####
City: Chestertown, MD
County: Kent
Company: Sprint Spectrum L.p.
Prefix: 443-266-####
City: Glenwood, MD
County: Howard
Company: Global Crossing Local Services-md
Prefix: 443-267-####
City: Darlington, MD
County: Harford
Company: Teleport Communications America
Prefix: 443-268-####
City: Baltimore, MD
County: Baltimore City
Company: Core Communications
Prefix: 443-269-####
City: Towson, MD
County: Baltimore
Company: Xo Maryland
Prefix: 443-270-####
City: Baltimore, MD
County: Baltimore City
Company: Paetec Communications
Prefix: 443-271-####
City: Baltimore, MD
County: Baltimore City
Company: Sprint Spectrum L.p.
Prefix: 443-283-####
City: Baltimore, MD
County: Baltimore City
Company: Paetec Communications
Prefix: 443-284-####
City: Jessup, MD
County: Howard
Company: Xo Maryland
Prefix: 443-285-####
City: Columbia, MD
County: Howard
Company: Verizon Maryland
Prefix: 443-286-####
City: Baltimore, MD
County: Baltimore City
Company: Cellco Partnership DBA Verizon Wireless
Prefix: 443-287-####
City: Baltimore, MD
County: Baltimore City
Company: Verizon Maryland
Prefix: 443-288-####
City: Baltimore, MD
County: Baltimore City
Company: Allegiance Telecom
Prefix: 443-289-####
City: Westminster, MD
County: Carroll
Company: Mci Worldcom Communications
Prefix: 443-290-####
City: Parkville, MD
County: Baltimore
Company: Tw Telecom Of Maryland LLC
Prefix: 443-291-####
City: Hampstead, MD
County: Carroll
Company: Global Crossing Local Services-md
Prefix: 443-292-####
City: Laurel, MD
County: Prince Georges
Company: Level 3 Communications
Prefix: 443-293-####
City: Westminster, MD
County: Carroll
Company: Global Crossing Local Services-md
Prefix: 443-294-####
City: West River, MD
County: Anne Arundel
Company: Global Crossing Local Services-md
Prefix: 443-295-####
City: Prince Frederick, MD
County: Calvert
Company: Level 3 Communications
Prefix: 443-296-####
City: Baltimore, MD
County: Baltimore City
Company: Global Crossing Local Services-md
Prefix: 443-297-####
City: Arbutus, MD
County: Baltimore
Company: Teleport Communications America
Prefix: 443-298-####
City: Easton, MD
County: Talbot
Company: New Cingular Wireless PCS - DC
Prefix: 443-299-####
City: Fallston, MD
County: Harford
Company: Global Crossing Local Services-md
Prefix: 443-300-####
City: Sykesville, MD
County: Carroll
Company: Broadwing Communications. LLC
Prefix: 443-301-####
City: Baltimore, MD
County: Baltimore City
Company: New Cingular Wireless PCS - DC
Prefix: 443-302-####
City: Crofton, MD
County: Anne Arundel
Company: Global Crossing Local Services-md
Prefix: 443-303-####
City: Aberdeen, MD
County: Harford
Company: Global Crossing Local Services-md
Prefix: 443-304-####
City: Baltimore, MD
County: Baltimore City
Company: Global Crossing Local Services-md
Prefix: 443-305-####
City: Baltimore, MD
County: Baltimore City
Company: Global Crossing Local Services-md
Prefix: 443-306-####
City: Baltimore, MD
County: Anne Arundel
Company: Sprint Spectrum L.p.
Prefix: 443-307-####
City: Bel Air, MD
County: Harford
Company: Global Crossing Local Services-md
Prefix: 443-308-####
City: Baltimore, MD
County: Baltimore City
Company: Allegiance Telecom
Prefix: 443-309-####
City: Elkton, MD
County: Cecil
Company: Sprint Spectrum L.p.
Prefix: 443-310-####
City: Baltimore, MD
County: Baltimore City
Company: New Cingular Wireless PCS - DC
Prefix: 443-312-####
City: Baltimore, MD
County: Baltimore City
Company: Global Crossing Local Services-md
Prefix: 443-313-####
City: Fork, MD
County: Baltimore
Company: Global Crossing Local Services-md
Prefix: 443-314-####
City: Baltimore, MD
County: Baltimore City
Company: Sprint Spectrum L.p.
Prefix: 443-315-####
City: Baltimore, MD
County: Baltimore City
Company: Global Crossing Local Services-md
Prefix: 443-316-####
City: Baltimore, MD
County: Baltimore City
Company: Global Crossing Local Services-md
Prefix: 443-317-####
City: Baltimore, MD
County: Baltimore City
Company: Global Crossing Local Services-md
Prefix: 443-318-####
City: Cockeysville, MD
County: Baltimore
Company: Cavalier Telephone (mid-atlantic)
Prefix: 443-319-####
City: Columbia, MD
County: Howard
Company: Cavalier Telephone (mid-atlantic)
Prefix: 443-326-####
City: Baltimore, MD
County: Baltimore City
Company: New Cingular Wireless PCS - DC
Prefix: 443-327-####
City: Aberdeen, MD
County: Harford
Company: Cavalier Telephone Mid-atlantic
Prefix: 443-328-####
City: Sykesville, MD
County: Carroll
Company: Ctc Communications Corp.
Prefix: 443-329-####
City: Jessup, MD
County: Howard
Company: Global Crossing Local Services-md
Prefix: 443-330-####
City: Baltimore, MD
County: Baltimore City
Company: Cavalier Telephone Mid-atlantic
Prefix: 443-320-####
City: Baltimore, MD
County: Baltimore City
Company: Global Crossing Local Services-md
Prefix: 443-321-####
City: Annapolis, MD
County: Anne Arundel
Company: Paetec Communications
Prefix: 443-322-####
City: Towson, MD
County: Baltimore
Company: Cavalier Telephone Mid-atlantic
Prefix: 443-323-####
City: Rhodesdale, MD
County: Dorchester
Company: Cavalier Telephone (mid-atlantic)
Prefix: 443-324-####
City: Baltimore, MD
County: Baltimore City
Company: Sprint Spectrum L.p.
Prefix: 443-325-####
City: Ellicott City, MD
County: Howard
Company: Cavalier Telephone Mid-atlantic
Prefix: 443-331-####
City: Taneytown, MD
County: Carroll
Company: Ctc Communications Corp.
Prefix: 443-332-####
City: Crofton, MD
County: Anne Arundel
Company: Cavalier Telephone Mid-atlantic
Prefix: 443-333-####
City: Annapolis, MD
County: Anne Arundel
Company: Leap Wireless Intl DBA Cricket Comm
Prefix: 443-334-####
City: Towson, MD
County: Baltimore
Company: Allegiance Telecom
Prefix: 443-335-####
City: Brooklyn, MD
County: Baltimore City
Company: Xo Maryland
Prefix: 443-336-####
City: Annapolis, MD
County: Anne Arundel
Company: Sprint Spectrum L.p.
Prefix: 443-337-####
City: Sparrows Point, MD
County: Baltimore
Company: Xo Maryland
Prefix: 443-338-####
City: Sparks Glencoe, MD
County: Baltimore
Company: Ctc Communications Corp.
Prefix: 443-339-####
City: Sherwood Forest, MD
County: Anne Arundel
Company: Ctc Communications Corp.
Prefix: 443-340-####
City: Westminster, MD
County: Carroll
Company: Cellco Partnership DBA Verizon Wireless
Prefix: 443-341-####
City: Baltimore, MD
County: Baltimore City
Company: Level 3 Communications
Prefix: 443-342-####
City: Solomons, MD
County: Calvert
Company: Ctc Communications Corp.
Prefix: 443-343-####
City: Millersville, MD
County: Anne Arundel
Company: Teleport Communications America
Prefix: 443-344-####
City: Severna Park, MD
County: Anne Arundel
Company: Core Communications
Prefix: 443-345-####
City: Aberdeen, MD
County: Harford
Company: Level 3 Communications
Prefix: 443-346-####
City: Severna Park, MD
County: Anne Arundel
Company: Xo Maryland
Prefix: 443-347-####
City: Cardiff, MD
County: Harford
Company: Ctc Communications Corp.
Prefix: 443-348-####
City: Baltimore, MD
County: Baltimore City
Company: Teleport Communications America
Prefix: 443-349-####
City: Westminster, MD
County: Carroll
Company: Core Communications
Prefix: 443-350-####
City: Elkton, MD
County: Cecil
Company: Cellco Partnership DBA Verizon Wireless
Prefix: 443-351-####
City: Columbia, MD
County: Howard
Company: Us Lec Of Maryland
Prefix: 443-352-####
City: Baltimore, MD
County: Baltimore City
Company: AT&T Local
Prefix: 443-353-####
City: Cockeysville, MD
County: Baltimore
Company: Verizon Maryland
Prefix: 443-354-####
City: Baltimore, MD
County: Baltimore City
Company: Level 3 Communications
Prefix: 443-355-####
City: Baltimore, MD
County: Baltimore City
Company: Level 3 Communications
Prefix: 443-356-####
City: Bel Air, MD
County: Harford
Company: Level 3 Communications
Prefix: 443-357-####
City: Pikesville, MD
County: Baltimore
Company: Verizon Maryland
Prefix: 443-358-####
City: Salisbury, MD
County: Wicomico
Company: Ymax Communications Corp.
Prefix: 443-359-####
City: Delmar, MD
County: Wicomico
Company: Cellco Partnership DBA Verizon Wireless
Prefix: 443-360-####
City: Aberdeen, MD
County: Harford
Company: Teleport Communications America
Prefix: 443-361-####
City: Sykesville, MD
County: Carroll
Company: Core Communications
Prefix: 443-362-####
City: Easton, MD
County: Talbot
Company: Omnipoint Communications Cap Operations
Prefix: 443-363-####
City: Severn, MD
County: Anne Arundel
Company: Xo Maryland
Prefix: 443-364-####
City: Baltimore, MD
County: Baltimore City
Company: Teleport Communications America
Prefix: 443-365-####
City: Salisbury, MD
County: Wicomico
Company: Omnipoint Communications Cap Operations
Prefix: 443-366-####
City: Salisbury, MD
County: Wicomico
Company: Sprint Spectrum L.p.
Prefix: 443-367-####
City: Columbia, MD
County: Howard
Company: Verizon Maryland
Prefix: 443-368-####
City: Westminster, MD
County: Carroll
Company: Core Communications
Prefix: 443-369-####
City: Bel Air, MD
County: Harford
Company: Core Communications
Prefix: 443-370-####
City: Annapolis, MD
County: Anne Arundel
Company: New Cingular Wireless PCS - DC
Prefix: 443-371-####
City: Bel Air, MD
County: Harford
Company: Broadwing Communications. LLC
Prefix: 443-372-####
City: Edgewood, MD
County: Harford
Company: Us Lec Of Maryland
Prefix: 443-373-####
City: Ocean City, MD
County: Worcester
Company: Sprint Spectrum L.p.
Prefix: 443-374-####
City: Aberdeen, MD
County: Harford
Company: Cavalier Telephone (mid-atlantic)
Prefix: 443-375-####
City: Hampstead, MD
County: Carroll
Company: Sprint Spectrum L.p.
Prefix: 443-376-####
City: Baltimore, MD
County: Baltimore City
Company: Teleport Communications America
Prefix: 443-377-####
City: Towson, MD
County: Baltimore
Company: Cellco Partnership DBA Verizon Wireless
Prefix: 443-378-####
City: Baltimore, MD
County: Baltimore City
Company: Sprint Spectrum L.p.
Prefix: 443-379-####
City: Pikesville, MD
County: Baltimore
Company: Comcast Phone Of Northern Maryland
Prefix: 443-386-####
City: Baltimore, MD
County: Baltimore City
Company: Cellco Partnership DBA Verizon Wireless
Prefix: 443-387-####
City: Pocomoke, MD
County: Worcester
Company: Core Communications
Prefix: 443-388-####
City: Baltimore, MD
County: Baltimore City
Company: Cellco Partnership DBA Verizon Wireless
Prefix: 443-389-####
City: Salisbury, MD
County: Wicomico
Company: Core Communications
Prefix: 443-390-####
City: Churchville, MD
County: Harford
Company: Global Crossing Local Services-md
Prefix: 443-397-####
City: Salisbury, MD
County: Wicomico
Company: Cellco Partnership DBA Verizon Wireless
Prefix: 443-398-####
City: Sykesville, MD
County: Carroll
Company: Sprint Spectrum L.p.
Prefix: 443-399-####
City: Baltimore, MD
County: Baltimore City
Company: Global Crossing Local Services-md
Prefix: 443-400-####
City: Baltimore, MD
County: Baltimore City
Company: Xo Maryland
Prefix: 443-401-####
City: Baltimore, MD
County: Baltimore City
Company: Cellco Partnership DBA Verizon Wireless
Prefix: 443-408-####
City: Baltimore, MD
County: Baltimore City
Company: Xo Maryland
Prefix: 443-409-####
City: Edgewood, MD
County: Harford
Company: Cavalier Telephone Mid-atlantic
Prefix: 443-410-####
City: Baltimore, MD
County: Baltimore City
Company: Centurylink Communications LLC
Prefix: 443-412-####
City: Churchville, MD
County: Harford
Company: Teleport Communications America
Prefix: 443-413-####
City: Baltimore, MD
County: Anne Arundel
Company: Sprint Spectrum L.p.
Prefix: 443-414-####
City: Baltimore, MD
County: Anne Arundel
Company: Sprint Spectrum L.p.
Prefix: 443-415-####
City: Baltimore, MD
County: Anne Arundel
Company: Sprint Spectrum L.p.
Prefix: 443-416-####
City: Baltimore, MD
County: Anne Arundel
Company: Sprint Spectrum L.p.
Prefix: 443-417-####
City: Fallston, MD
County: Harford
Company: Teleport Communications America
Prefix: 443-418-####
City: Baltimore, MD
County: Anne Arundel
Company: Sprint Spectrum L.p.
Prefix: 443-419-####
City: Glenwood, MD
County: Howard
Company: Cavalier Telephone Mid-atlantic
Prefix: 443-420-####
City: Baltimore, MD
County: Baltimore City
Company: Global Crossing Local Services-md
Prefix: 443-421-####
City: Fork, MD
County: Baltimore
Company: New Cingular Wireless PCS - DC
Prefix: 443-422-####
City: Glen Burnie, MD
County: Anne Arundel
Company: Leap Wireless Intl DBA Cricket Comm
Prefix: 443-423-####
City: Baltimore, MD
County: Baltimore City
Company: Broadwing Communications. LLC
Prefix: 443-424-####
City: Cardiff, MD
County: Harford
Company: Teleport Communications America
Prefix: 443-430-####
City: Baltimore, MD
County: Baltimore City
Company: Xo Maryland
Prefix: 443-431-####
City: Randallstown, MD
County: Baltimore
Company: Xo Maryland
Prefix: 443-432-####
City: Prince Frederick, MD
County: Calvert
Company: Ctc Communications Corp.
Prefix: 443-433-####
City: Annapolis, MD
County: Anne Arundel
Company: Xo Maryland
Prefix: 443-380-####
City: Baltimore, MD
County: Baltimore City
Company: Level 3 Communications
Prefix: 443-381-####
City: Reisterstown, MD
County: Baltimore
Company: Xo Maryland
Prefix: 443-382-####
City: Cambridge, MD
County: Dorchester
Company: Core Communications
Prefix: 443-383-####
City: Westminster, MD
County: Carroll
Company: Ctc Communications Corp.
Prefix: 443-384-####
City: Parkville, MD
County: Baltimore
Company: Cavalier Telephone Mid-atlantic
Prefix: 443-385-####
City: Easton, MD
County: Talbot
Company: Core Communications
Prefix: 443-391-####
City: Baltimore, MD
County: Baltimore City
Company: Global Crossing Local Services-md
Prefix: 443-392-####
City: Baltimore, MD
County: Baltimore City
Company: AT&T Local
Prefix: 443-393-####
City: Baltimore, MD
County: Baltimore City
Company: Global Crossing Local Services-md
Prefix: 443-394-####
City: Pikesville, MD
County: Baltimore
Company: Verizon Maryland
Prefix: 443-395-####
City: Aberdeen, MD
County: Harford
Company: Verizon Maryland
Prefix: 443-396-####
City: Odenton, MD
County: Anne Arundel
Company: Global Crossing Local Services-md
Prefix: 443-402-####
City: Edgewood, MD
County: Harford
Company: Teleport Communications America
Prefix: 443-403-####
City: Aberdeen, MD
County: Harford
Company: Broadwing Communications. LLC
Prefix: 443-404-####
City: Solomons, MD
County: Calvert
Company: Sprint Spectrum L.p.
Prefix: 443-405-####
City: Baltimore, MD
County: Baltimore City
Company: Global Crossing Local Services-md
Prefix: 443-406-####
City: Elkton, MD
County: Cecil
Company: Teleport Communications America
Prefix: 443-407-####
City: Baltimore, MD
County: Baltimore City
Company: Allegiance Telecom
Prefix: 443-425-####
City: Baltimore, MD
County: Baltimore City
Company: AT&T Local
Prefix: 443-426-####
City: Baltimore, MD
County: Baltimore City
Company: Paetec Communications
Prefix: 443-427-####
City: Princess Anne, MD
County: Somerset
Company: Core Communications
Prefix: 443-428-####
City: Cockeysville, MD
County: Baltimore
Company: Core Communications
Prefix: 443-429-####
City: Woodlawn, MD
County: Baltimore
Company: Cavalier Telephone Mid-atlantic
Prefix: 443-434-####
City: Federalsburg, MD
County: Caroline
Company: Comcast Phone Of Northern Maryland
Prefix: 443-435-####
City: Baltimore, MD
County: Baltimore City
Company: Sprint Spectrum L.p.
Prefix: 443-436-####
City: Woodlawn, MD
County: Baltimore
Company: Verizon Maryland
Prefix: 443-437-####
City: Pocomoke, MD
County: Worcester
Company: Teleport Communications America
Prefix: 443-438-####
City: Baltimore, MD
County: Baltimore City
Company: Cellco Partnership DBA Verizon Wireless
Prefix: 443-439-####
City: Trappe, MD
County: Talbot
Company: Cellco Partnership DBA Verizon Wireless
Prefix: 443-440-####
City: Annapolis, MD
County: Anne Arundel
Company: Verizon Maryland
Prefix: 443-441-####
City: Glenwood, MD
County: Howard
Company: Teleport Communications America
Prefix: 443-442-####
City: Parkville, MD
County: Baltimore
Company: Cavalier Telephone Mid-atlantic
Prefix: 443-444-####
City: Baltimore, MD
County: Baltimore City
Company: Verizon Maryland
Prefix: 443-445-####
City: Elkridge, MD
County: Howard
Company: Verizon Maryland
Prefix: 443-446-####
City: Queenstown, MD
County: Queen Annes
Company: Mci Worldcom Communications
Prefix: 443-451-####
City: Baltimore, MD
County: Baltimore City
Company: Paetec Communications
Prefix: 443-452-####
City: Baltimore, MD
County: Baltimore City
Company: Us Lec Of Maryland
Prefix: 443-453-####
City: Baltimore, MD
County: Baltimore City
Company: Neutral Tandem-maryland
Prefix: 443-454-####
City: Annapolis, MD
County: Anne Arundel
Company: Omnipoint Communications Cap Operations
Prefix: 443-455-####
City: Baltimore, MD
County: Baltimore City
Company: Verizon Maryland
Prefix: 443-456-####
City: Edgewood, MD
County: Harford
Company: AT&T Local
Prefix: 443-461-####
City: Parkville, MD
County: Baltimore
Company: Us Lec Of Maryland
Prefix: 443-462-####
City: Baltimore, MD
County: Baltimore City
Company: Cellco Partnership DBA Verizon Wireless
Prefix: 443-463-####
City: Baltimore, MD
County: Baltimore City
Company: Sprint Spectrum L.p.
Prefix: 443-464-####
City: Churchville, MD
County: Harford
Company: Broadview Networks
Prefix: 443-465-####
City: Towson, MD
County: Baltimore
Company: Cellco Partnership DBA Verizon Wireless
Prefix: 443-466-####
City: Elkton, MD
County: Cecil
Company: Sprint Spectrum L.p.
Prefix: 443-467-####
City: Baltimore, MD
County: Baltimore City
Company: Leap Wireless Intl DBA Cricket Comm
Prefix: 443-447-####
City: Baltimore, MD
County: Baltimore City
Company: Leap Wireless Intl DBA Cricket Comm
Prefix: 443-448-####
City: Denton, MD
County: Caroline
Company: Comcast Phone Of Northern Maryland
Prefix: 443-449-####
City: Baltimore, MD
County: Baltimore City
Company: Broadview Networks
Prefix: 443-450-####
City: Baltimore, MD
County: Baltimore City
Company: Level 3 Communications
Prefix: 443-457-####
City: Baltimore, MD
County: Baltimore City
Company: Teleport Communications America
Prefix: 443-458-####
City: Annapolis, MD
County: Anne Arundel
Company: Allegiance Telecom
Prefix: 443-459-####
City: Baltimore, MD
County: Baltimore City
Company: Paetec Communications
Prefix: 443-460-####
City: Baltimore, MD
County: Baltimore City
Company: Allegiance Telecom
Prefix: 443-468-####
City: Baltimore, MD
County: Baltimore City
Company: Sprint Spectrum L.p.
Prefix: 443-469-####
City: Baltimore, MD
County: Baltimore City
Company: Leap Wireless Intl DBA Cricket Comm
Prefix: 443-470-####
City: Towson, MD
County: Baltimore
Company: Us Lec Of Maryland
Prefix: 443-471-####
City: Columbia, MD
County: Howard
Company: Us Lec Of Maryland
Prefix: 443-472-####
City: Baltimore, MD
County: Baltimore City
Company: Level 3 Communications
Prefix: 443-473-####
City: Baltimore, MD
County: Baltimore City
Company: Sprint Spectrum L.p.
Prefix: 443-474-####
City: Catonsville, MD
County: Baltimore
Company: New Cingular Wireless PCS - DC
Prefix: 443-475-####
City: Baltimore, MD
County: Baltimore City
Company: Mci Worldcom Communications
Prefix: 443-476-####
City: Annapolis, MD
County: Anne Arundel
Company: Verizon Maryland
Prefix: 443-477-####
City: Cambridge, MD
County: Dorchester
Company: Cellco Partnership DBA Verizon Wireless
Prefix: 443-478-####
City: Baltimore, MD
County: Baltimore City
Company: Cellco Partnership DBA Verizon Wireless
Prefix: 443-479-####
City: Laurel, MD
County: Prince Georges
Company: Verizon Maryland
Prefix: 443-480-####
City: Chestertown, MD
County: Kent
Company: Cellco Partnership DBA Verizon Wireless
Prefix: 443-481-####
City: Annapolis, MD
County: Anne Arundel
Company: Us Lec Of Maryland
Prefix: 443-482-####
City: Annapolis, MD
County: Anne Arundel
Company: Verizon Maryland
Prefix: 443-483-####
City: Cardiff, MD
County: Harford
Company: Broadwing Communications. LLC
Prefix: 443-484-####
City: Edgewood, MD
County: Harford
Company: Broadwing Communications. LLC
Prefix: 443-485-####
City: Elkton, MD
County: Cecil
Company: Broadwing Communications. LLC
Prefix: 443-486-####
City: Prince Frederick, MD
County: Calvert
Company: Broadwing Communications. LLC
Prefix: 443-487-####
City: Westminster, MD
County: Carroll
Company: Broadwing Communications. LLC
Prefix: 443-488-####
City: Baltimore, MD
County: Baltimore City
Company: Leap Wireless Intl DBA Cricket Comm
Prefix: 443-489-####
City: Baltimore, MD
County: Baltimore City
Company: Teleport Communications America
Prefix: 443-490-####
City: Edgewood, MD
County: Harford
Company: Global Crossing Local Services-md
Prefix: 443-491-####
City: Parkton, MD
County: Baltimore
Company: Global Crossing Local Services-md
Prefix: 443-492-####
City: Baltimore, MD
County: Baltimore City
Company: Global Crossing Local Services-md
Prefix: 443-493-####
City: Delmar, MD
County: Wicomico
Company: Cellco Partnership DBA Verizon Wireless
Prefix: 443-494-####
City: Millersville, MD
County: Anne Arundel
Company: Global Crossing Local Services-md
Prefix: 443-495-####
City: Baltimore, MD
County: Baltimore City
Company: Global Crossing Local Services-md
Prefix: 443-496-####
City: Easton, MD
County: Talbot
Company: Sprint Spectrum L.p.
Prefix: 443-497-####
City: Salisbury, MD
County: Wicomico
Company: Sprint Spectrum L.p.
Prefix: 443-498-####
City: Baltimore, MD
County: Baltimore City
Company: Allegiance Telecom
Prefix: 443-499-####
City: Jarrettsville, MD
County: Harford
Company: Global Crossing Local Services-md
Prefix: 443-500-####
City: Baltimore, MD
County: Baltimore City
Company: Leap Wireless Intl DBA Cricket Comm
Prefix: 443-501-####
City: Baltimore, MD
County: Baltimore City
Company: Global Crossing Local Services-md
Prefix: 443-502-####
City: Havre De Grace, MD
County: Harford
Company: Teleport Communications America
Prefix: 443-503-####
City: Baltimore, MD
County: Baltimore City
Company: Xo Maryland
Prefix: 443-504-####
City: Fallston, MD
County: Harford
Company: Cavalier Telephone Mid-atlantic
Prefix: 443-505-####
City: Baltimore, MD
County: Baltimore City
Company: Global Crossing Local Services-md
Prefix: 443-506-####
City: Baltimore, MD
County: Baltimore City
Company: Sprint Spectrum L.p.
Prefix: 443-507-####
City: Hampstead, MD
County: Carroll
Company: Teleport Communications America
Prefix: 443-508-####
City: Hampstead, MD
County: Carroll
Company: Cavalier Telephone Mid-atlantic
Prefix: 443-517-####
City: Baltimore, MD
County: Baltimore City
Company: Global Crossing Local Services-md
Prefix: 443-518-####
City: Columbia, MD
County: Howard
Company: Verizon Maryland
Prefix: 443-519-####
City: Baltimore, MD
County: Baltimore City
Company: Global Crossing Local Services-md
Prefix: 443-520-####
City: Catonsville, MD
County: Baltimore
Company: New Cingular Wireless PCS - DC
Prefix: 443-521-####
City: Cambridge, MD
County: Dorchester
Company: Cellco Partnership DBA Verizon Wireless
Prefix: 443-522-####
City: Reisterstown, MD
County: Baltimore
Company: Paetec Communications
Prefix: 443-523-####
City: Salisbury, MD
County: Wicomico
Company: Verizon Maryland
Prefix: 443-524-####
City: Baltimore, MD
County: Baltimore City
Company: Allegiance Telecom
Prefix: 443-525-####
City: Baltimore, MD
County: Baltimore City
Company: Leap Wireless Intl DBA Cricket Comm
Prefix: 443-526-####
City: Havre De Grace, MD
County: Harford
Company: Ctc Communications Corp.
Prefix: 443-527-####
City: Baltimore, MD
County: Baltimore City
Company: Omnipoint Communications Cap Operations
Prefix: 443-528-####
City: Bel Air, MD
County: Harford
Company: Sprint Spectrum L.p.
Prefix: 443-529-####
City: Baltimore, MD
County: Baltimore City
Company: Omnipoint Communications Cap Operations
Prefix: 443-530-####
City: Baltimore, MD
County: Baltimore City
Company: Paetec Communications
Prefix: 443-531-####
City: Baltimore, MD
County: Baltimore City
Company: Leap Wireless Intl DBA Cricket Comm
Prefix: 443-532-####
City: Prince Frederick, MD
County: Calvert
Company: Sprint Spectrum L.p.
Prefix: 443-533-####
City: Jarrettsville, MD
County: Harford
Company: Teleport Communications America
Prefix: 443-534-####
City: Annapolis, MD
County: Anne Arundel
Company: Cellco Partnership DBA Verizon Wireless
Prefix: 443-535-####
City: Columbia, MD
County: Howard
Company: Verizon Maryland
Prefix: 443-536-####
City: Westminster, MD
County: Carroll
Company: Sprint Spectrum L.p.
Prefix: 443-537-####
City: Columbia, MD
County: Howard
Company: Verizon Maryland
Prefix: 443-538-####
City: Columbia, MD
County: Howard
Company: Omnipoint Communications Cap Operations
Prefix: 443-539-####
City: Columbia, MD
County: Howard
Company: Us Lec Of Maryland
Prefix: 443-540-####
City: Baltimore, MD
County: Baltimore City
Company: New Cingular Wireless PCS - DC
Prefix: 443-541-####
City: Baltimore, MD
County: Baltimore City
Company: Paetec Communications
Prefix: 443-542-####
City: Columbia, MD
County: Howard
Company: Comcast Phone Of Northern Maryland
Prefix: 443-543-####
City: Arbutus, MD
County: Baltimore
Company: Verizon Maryland
Prefix: 443-544-####
City: Pikesville, MD
County: Baltimore
Company: Cavalier Telephone Mid-atlantic
Prefix: 443-545-####
City: Columbia, MD
County: Howard
Company: Broadwing Communications. LLC
Prefix: 443-546-####
City: Baltimore, MD
County: Baltimore City
Company: Verizon Maryland
Prefix: 443-547-####
City: Westminster, MD
County: Carroll
Company: Cellco Partnership DBA Verizon Wireless
Prefix: 443-548-####
City: Baltimore, MD
County: Baltimore City
Company: Allegiance Telecom
Prefix: 443-549-####
City: Dundalk, MD
County: Baltimore
Company: Us Lec Of Maryland
Prefix: 443-550-####
City: North Beach, MD
County: Calvert
Company: Level 3 Communications
Prefix: 443-551-####
City: Baltimore, MD
County: Baltimore City
Company: Level 3 Communications
Prefix: 443-552-####
City: Baltimore, MD
County: Baltimore City
Company: Verizon Maryland
Prefix: 443-553-####
City: Elkton, MD
County: Cecil
Company: Cellco Partnership DBA Verizon Wireless
Prefix: 443-554-####
City: Middle River, MD
County: Baltimore
Company: Omnipoint Communications Cap Operations
Prefix: 443-556-####
City: Cockeysville, MD
County: Baltimore
Company: Verizon Maryland
Prefix: 443-509-####
City: Baltimore, MD
County: Baltimore City
Company: Cellco Partnership DBA Verizon Wireless
Prefix: 443-510-####
City: Annapolis, MD
County: Anne Arundel
Company: Cellco Partnership DBA Verizon Wireless
Prefix: 443-512-####
City: Edgewood, MD
County: Harford
Company: Verizon Maryland
Prefix: 443-513-####
City: Berlin, MD
County: Worcester
Company: New Cingular Wireless PCS - DC
Prefix: 443-514-####
City: Columbia, MD
County: Howard
Company: Us Lec Of Maryland
Prefix: 443-515-####
City: Cambridge, MD
County: Dorchester
Company: Cellco Partnership DBA Verizon Wireless
Prefix: 443-516-####
City: Sykesville, MD
County: Carroll
Company: Global Crossing Local Services-md
Prefix: 443-557-####
City: Baltimore, MD
County: Baltimore City
Company: Allegiance Telecom
Prefix: 443-558-####
City: Aberdeen, MD
County: Harford
Company: Xo Maryland
Prefix: 443-559-####
City: Essex, MD
County: Baltimore
Company: Comcast Phone Of Northern Maryland
Prefix: 443-560-####
City: Baltimore, MD
County: Baltimore City
Company: Sprint Spectrum L.p.
Prefix: 443-561-####
City: Columbia, MD
County: Howard
Company: Us Lec Of Maryland
Prefix: 443-562-####
City: Baltimore, MD
County: Baltimore City
Company: New Cingular Wireless PCS - DC
Prefix: 443-563-####
City: Baltimore, MD
County: Baltimore City
Company: Sprint Spectrum L.p.
Prefix: 443-564-####
City: Baltimore, MD
County: Baltimore City
Company: Level 3 Communications
Prefix: 443-565-####
City: Randallstown, MD
County: Baltimore
Company: Cavalier Telephone Mid-atlantic
Prefix: 443-566-####
City: Chesapeake City, MD
County: Cecil
Company: Cellco Partnership DBA Verizon Wireless
Prefix: 443-567-####
City: Bel Air, MD
County: Harford
Company: Level 3 Communications
Prefix: 443-568-####
City: Arbutus, MD
County: Baltimore
Company: Allegiance Telecom
Prefix: 443-569-####
City: Annapolis, MD
County: Anne Arundel
Company: Level 3 Communications
Prefix: 443-570-####
City: Baltimore, MD
County: Baltimore City
Company: Omnipoint Communications Cap Operations
Prefix: 443-571-####
City: Baltimore, MD
County: Baltimore City
Company: Cellco Partnership DBA Verizon Wireless
Prefix: 443-572-####
City: Glen Burnie, MD
County: Anne Arundel
Company: Verizon Maryland
Prefix: 443-573-####
City: Columbia, MD
County: Howard
Company: Us Lec Of Maryland
Prefix: 443-574-####
City: Ellicott City, MD
County: Howard
Company: Us Lec Of Maryland
Prefix: 443-575-####
City: Arbutus, MD
County: Baltimore
Company: Cavalier Telephone Mid-atlantic
Prefix: 443-576-####
City: Baltimore, MD
County: Baltimore City
Company: Allegiance Telecom
Prefix: 443-577-####
City: Columbia, MD
County: Howard
Company: Us Lec Of Maryland
Prefix: 443-578-####
City: Baltimore, MD
County: Baltimore City
Company: Xo Maryland
Prefix: 443-579-####
City: Essex, MD
County: Baltimore
Company: Us Lec Of Maryland
Prefix: 443-580-####
City: Baltimore, MD
County: Baltimore City
Company: Sprint Spectrum L.p.
Prefix: 443-581-####
City: Middle River, MD
County: Baltimore
Company: Xo Maryland
Prefix: 443-582-####
City: Churchville, MD
County: Harford
Company: Ctc Communications Corp.
Prefix: 443-583-####
City: Columbia, MD
County: Howard
Company: Ctc Communications Corp.
Prefix: 443-584-####
City: Crofton, MD
County: Anne Arundel
Company: Ctc Communications Corp.
Prefix: 443-585-####
City: Darlington, MD
County: Harford
Company: Ctc Communications Corp.
Prefix: 443-586-####
City: Dundalk, MD
County: Baltimore
Company: Xo Maryland
Prefix: 443-587-####
City: Edgewood, MD
County: Harford
Company: Ctc Communications Corp.
Prefix: 443-588-####
City: Baltimore, MD
County: Baltimore City
Company: Allegiance Telecom
Prefix: 443-589-####
City: Cockeysville, MD
County: Baltimore
Company: Us Lec Of Maryland
Prefix: 443-590-####
City: Reisterstown, MD
County: Baltimore
Company: Global Crossing Local Services-md
Prefix: 443-591-####
City: Glen Burnie, MD
County: Anne Arundel
Company: Cellco Partnership DBA Verizon Wireless
Prefix: 443-592-####
City: Elkridge, MD
County: Howard
Company: Xo Maryland
Prefix: 443-593-####
City: Elkton, MD
County: Cecil
Company: Ctc Communications Corp.
Prefix: 443-594-####
City: Baltimore, MD
County: Baltimore City
Company: Global Crossing Local Services-md
Prefix: 443-595-####
City: Sparks Glencoe, MD
County: Baltimore
Company: Global Crossing Local Services-md
Prefix: 443-596-####
City: Essex, MD
County: Baltimore
Company: Xo Maryland
Prefix: 443-597-####
City: Severna Park, MD
County: Anne Arundel
Company: Global Crossing Local Services-md
Prefix: 443-598-####
City: Sherwood Forest, MD
County: Anne Arundel
Company: Global Crossing Local Services-md
Prefix: 443-599-####
City: Baltimore, MD
County: Baltimore City
Company: Global Crossing Local Services-md
Prefix: 443-600-####
City: Essex, MD
County: Baltimore
Company: Omnipoint Communications Cap Operations
Prefix: 443-601-####
City: Fallston, MD
County: Harford
Company: Ctc Communications Corp.
Prefix: 443-602-####
City: Catonsville, MD
County: Baltimore
Company: Cellco Partnership DBA Verizon Wireless
Prefix: 443-603-####
City: Annapolis, MD
County: Anne Arundel
Company: Paetec Communications
Prefix: 443-604-####
City: Baltimore, MD
County: Baltimore City
Company: Cellco Partnership DBA Verizon Wireless
Prefix: 443-605-####
City: Westminster, MD
County: Carroll
Company: Cavalier Telephone Mid-atlantic
Prefix: 443-606-####
City: Fork, MD
County: Baltimore
Company: Ctc Communications Corp.
Prefix: 443-607-####
City: West River, MD
County: Anne Arundel
Company: Cavalier Telephone Mid-atlantic
Prefix: 443-608-####
City: Towson, MD
County: Baltimore
Company: Leap Wireless Intl DBA Cricket Comm
Prefix: 443-609-####
City: Sykesville, MD
County: Carroll
Company: Cavalier Telephone Mid-atlantic
Prefix: 443-610-####
City: Baltimore, MD
County: Baltimore City
Company: Cellco Partnership DBA Verizon Wireless
Prefix: 443-612-####
City: Catonsville, MD
County: Baltimore
Company: Verizon Maryland
Prefix: 443-613-####
City: Towson, MD
County: Baltimore
Company: Leap Wireless Intl DBA Cricket Comm
Prefix: 443-614-####
City: Salisbury, MD
County: Wicomico
Company: Cellco Partnership DBA Verizon Wireless
Prefix: 443-615-####
City: Catonsville, MD
County: Baltimore
Company: Cellco Partnership DBA Verizon Wireless
Prefix: 443-616-####
City: Bel Air, MD
County: Harford
Company: Cavalier Telephone Mid-atlantic
Prefix: 443-617-####
City: Fallston, MD
County: Harford
Company: Cellco Partnership DBA Verizon Wireless
Prefix: 443-618-####
City: Glen Burnie, MD
County: Anne Arundel
Company: Cellco Partnership DBA Verizon Wireless
Prefix: 443-619-####
City: Bel Air, MD
County: Harford
Company: Cellco Partnership DBA Verizon Wireless
Prefix: 443-620-####
City: Baltimore, MD
County: Baltimore City
Company: Teleport Communications America
Prefix: 443-621-####
City: Baltimore, MD
County: Anne Arundel
Company: Sprint Spectrum L.p.
Prefix: 443-622-####
City: Baltimore, MD
County: Anne Arundel
Company: Sprint Spectrum L.p.
Prefix: 443-631-####
City: Catonsville, MD
County: Baltimore
Company: New Cingular Wireless PCS - DC
Prefix: 443-632-####
City: Towson, MD
County: Baltimore
Company: Us Lec Of Maryland
Prefix: 443-633-####
City: Baltimore, MD
County: Baltimore City
Company: Sprint Spectrum L.p.
Prefix: 443-634-####
City: Odenton, MD
County: Anne Arundel
Company: Verizon Maryland
Prefix: 443-635-####
City: Baltimore, MD
County: Baltimore City
Company: Leap Wireless Intl DBA Cricket Comm
Prefix: 443-636-####
City: Catonsville, MD
County: Baltimore
Company: Omnipoint Communications Cap Operations
Prefix: 443-637-####
City: Baltimore, MD
County: Baltimore City
Company: Xo Maryland
Prefix: 443-638-####
City: Ellicott City, MD
County: Howard
Company: Global Naps South
Prefix: 443-639-####
City: Hampstead, MD
County: Carroll
Company: Ctc Communications Corp.
Prefix: 443-644-####
City: Jarrettsville, MD
County: Harford
Company: Ctc Communications Corp.
Prefix: 443-645-####
City: Millersville, MD
County: Anne Arundel
Company: Ctc Communications Corp.
Prefix: 443-646-####
City: North Beach, MD
County: Calvert
Company: Ctc Communications Corp.
Prefix: 443-647-####
City: New Windsor, MD
County: Carroll
Company: Ctc Communications Corp.
Prefix: 443-648-####
City: Baltimore, MD
County: Baltimore City
Company: Teleport Communications America
Prefix: 443-649-####
City: Sparrows Point, MD
County: Baltimore
Company: Us Lec Of Maryland
Prefix: 443-650-####
City: Reisterstown, MD
County: Baltimore
Company: Allegiance Telecom
Prefix: 443-651-####
City: Baltimore, MD
County: Baltimore City
Company: Cellco Partnership DBA Verizon Wireless
Prefix: 443-652-####
City: Towson, MD
County: Baltimore
Company: Verizon Maryland
Prefix: 443-653-####
City: Baltimore, MD
County: Baltimore City
Company: Omnipoint Communications Cap Operations
Prefix: 443-654-####
City: Jessup, MD
County: Howard
Company: Verizon Maryland
Prefix: 443-655-####
City: Bel Air, MD
County: Harford
Company: New Cingular Wireless PCS - DC
Prefix: 443-656-####
City: Columbia, MD
County: Howard
Company: Cavalier Telephone Mid-atlantic
Prefix: 443-657-####
City: Randallstown, MD
County: Baltimore
Company: Tw Telecom Of Maryland LLC
Prefix: 443-658-####
City: Woodlawn, MD
County: Baltimore
Company: Global Naps South
Prefix: 443-659-####
City: West River, MD
County: Anne Arundel
Company: Global Naps South
Prefix: 443-660-####
City: Baltimore, MD
County: Baltimore City
Company: Comcast Phone Of Northern Maryland
Prefix: 443-661-####
City: Jessup, MD
County: Howard
Company: Cavalier Telephone Mid-atlantic
Prefix: 443-662-####
City: Sparks Glencoe, MD
County: Baltimore
Company: Cavalier Telephone Mid-atlantic
Prefix: 443-663-####
City: Woodlawn, MD
County: Baltimore
Company: Verizon Maryland
Prefix: 443-623-####
City: Glen Burnie, MD
County: Anne Arundel
Company: Sprint Spectrum L.p.
Prefix: 443-624-####
City: Prince Frederick, MD
County: Calvert
Company: Cellco Partnership DBA Verizon Wireless
Prefix: 443-625-####
City: Fork, MD
County: Baltimore
Company: Broadwing Communications. LLC
Prefix: 443-626-####
City: Middle River, MD
County: Baltimore
Company: Cavalier Telephone Mid-atlantic
Prefix: 443-627-####
City: Baltimore, MD
County: Baltimore City
Company: Verizon Maryland
Prefix: 443-628-####
City: Glen Burnie, MD
County: Anne Arundel
Company: Xo Maryland
Prefix: 443-629-####
City: Baltimore, MD
County: Anne Arundel
Company: Sprint Spectrum L.p.
Prefix: 443-630-####
City: Baltimore, MD
County: Baltimore City
Company: Cellco Partnership DBA Verizon Wireless
Prefix: 443-640-####
City: Bel Air, MD
County: Harford
Company: Us Lec Of Maryland
Prefix: 443-641-####
City: Pikesville, MD
County: Baltimore
Company: Broadwing Communications. LLC
Prefix: 443-642-####
City: Baltimore, MD
County: Baltimore City
Company: Cellco Partnership DBA Verizon Wireless
Prefix: 443-643-####
City: Bel Air, MD
County: Harford
Company: Verizon Maryland
Prefix: 443-664-####
City: Ocean City, MD
County: Worcester
Company: Cavalier Telephone (mid-atlantic)
Prefix: 443-665-####
City: Nanticoke, MD
County: Wicomico
Company: Cavalier Telephone (mid-atlantic)
Prefix: 443-666-####
City: Chestertown, MD
County: Kent
Company: Level 3 Communications
Prefix: 443-668-####
City: Catonsville, MD
County: Baltimore
Company: New Cingular Wireless PCS - DC
Prefix: 443-669-####
City: Delmar, MD
County: Wicomico
Company: Cavalier Telephone (mid-atlantic)
Prefix: 443-670-####
City: Catonsville, MD
County: Baltimore
Company: Cavalier Telephone Mid-atlantic
Prefix: 443-671-####
City: New Windsor, MD
County: Carroll
Company: Teleport Communications America
Prefix: 443-672-####
City: Parkton, MD
County: Baltimore
Company: Teleport Communications America
Prefix: 443-673-####
City: Brooklyn, MD
County: Baltimore City
Company: Cavalier Telephone Mid-atlantic
Prefix: 443-674-####
City: North East, MD
County: Cecil
Company: Teleport Communications America
Prefix: 443-675-####
City: Randallstown, MD
County: Baltimore
Company: Cavalier Telephone (mid-atlantic)
Prefix: 443-676-####
City: Baltimore, MD
County: Baltimore City
Company: New Cingular Wireless PCS - DC
Prefix: 443-677-####
City: Baltimore, MD
County: Baltimore City
Company: Sprint Spectrum L.p.
Prefix: 443-678-####
City: Parkville, MD
County: Baltimore
Company: Verizon Maryland
Prefix: 443-679-####
City: Baltimore, MD
County: Baltimore City
Company: Teleport Communications America
Prefix: 443-680-####
City: Baltimore, MD
County: Baltimore City
Company: Sprint Spectrum L.p.
Prefix: 443-681-####
City: Baltimore, MD
County: Baltimore City
Company: Cellco Partnership DBA Verizon Wireless
Prefix: 443-682-####
City: Baltimore, MD
County: Baltimore City
Company: Cellco Partnership DBA Verizon Wireless
Prefix: 443-683-####
City: Baltimore, MD
County: Baltimore City
Company: Cellco Partnership DBA Verizon Wireless
Prefix: 443-684-####
City: Prince Frederick, MD
County: Calvert
Company: Cellco Partnership DBA Verizon Wireless
Prefix: 443-685-####
City: Severn, MD
County: Anne Arundel
Company: Cavalier Telephone (mid-atlantic)
Prefix: 443-686-####
City: Fallston, MD
County: Harford
Company: Sprint Spectrum L.p.
Prefix: 443-687-####
City: Baltimore, MD
County: Baltimore City
Company: Cellco Partnership DBA Verizon Wireless
Prefix: 443-688-####
City: Severn, MD
County: Anne Arundel
Company: Cavalier Telephone Mid-atlantic
Prefix: 443-689-####
City: Cockeysville, MD
County: Baltimore
Company: Cavalier Telephone Mid-atlantic
Prefix: 443-690-####
City: Baltimore, MD
County: Baltimore City
Company: Cellco Partnership DBA Verizon Wireless
Prefix: 443-691-####
City: Baltimore, MD
County: Baltimore City
Company: New Cingular Wireless PCS - DC
Prefix: 443-692-####
City: Baltimore, MD
County: Baltimore City
Company: Allegiance Telecom
Prefix: 443-693-####
City: Perryville, MD
County: Cecil
Company: Teleport Communications America
Prefix: 443-694-####
City: Severna Park, MD
County: Anne Arundel
Company: Sprint Spectrum L.p.
Prefix: 443-695-####
City: Baltimore, MD
County: Baltimore City
Company: Cellco Partnership DBA Verizon Wireless
Prefix: 443-696-####
City: Dundalk, MD
County: Baltimore
Company: Cavalier Telephone Mid-atlantic
Prefix: 443-697-####
City: Catonsville, MD
County: Baltimore
Company: Global Naps South
Prefix: 443-698-####
City: Odenton, MD
County: Anne Arundel
Company: Teleport Communications America
Prefix: 443-699-####
City: Annapolis, MD
County: Anne Arundel
Company: Cellco Partnership DBA Verizon Wireless
Prefix: 443-701-####
City: Arbutus, MD
County: Baltimore
Company: Xo Maryland
Prefix: 443-702-####
City: Pasadena, MD
County: Anne Arundel
Company: Cavalier Telephone Mid-atlantic
Prefix: 443-703-####
City: Baltimore, MD
County: Baltimore City
Company: Xo Maryland
Prefix: 443-704-####
City: Odenton, MD
County: Anne Arundel
Company: Cavalier Telephone Mid-atlantic
Prefix: 443-705-####
City: Cockeysville, MD
County: Baltimore
Company: Xo Maryland
Prefix: 443-706-####
City: Crisfield, MD
County: Somerset
Company: Cavalier Telephone (mid-atlantic)
Prefix: 443-707-####
City:
County:
Company: Local Access LLC
Prefix: 443-708-####
City: Baltimore, MD
County: Baltimore City
Company: Tw Telecom Of Maryland LLC
Prefix: 443-709-####
City: Arbutus, MD
County: Baltimore
Company: Cavalier Telephone Mid-atlantic
Prefix: 443-710-####
City: Baltimore, MD
County: Baltimore City
Company: Xo Maryland
Prefix: 443-712-####
City: Reisterstown, MD
County: Baltimore
Company: Cavalier Telephone Mid-atlantic
Prefix: 443-713-####
City: Columbia, MD
County: Howard
Company: Peerless Network Of Maryland
Prefix: 443-714-####
City: Columbia, MD
County: Howard
Company: Sprint Spectrum L.p.
Prefix: 443-715-####
City: North East, MD
County: Cecil
Company: Cavalier Telephone (mid-atlantic)
Prefix: 443-716-####
City: Annapolis, MD
County: Anne Arundel
Company: Cavalier Telephone Mid-atlantic
Prefix: 443-717-####
City: Baltimore, MD
County: Baltimore City
Company: Cellco Partnership DBA Verizon Wireless
Prefix: 443-718-####
City: Columbia, MD
County: Howard
Company: Us Lec Of Maryland
Prefix: 443-719-####
City: Jarrettsville, MD
County: Harford
Company: Cavalier Telephone Mid-atlantic
Prefix: 443-720-####
City: Elkton, MD
County: Cecil
Company: Xo Maryland
Prefix: 443-721-####
City: Baltimore, MD
County: Baltimore City
Company: Cellco Partnership DBA Verizon Wireless
Prefix: 443-722-####
City: Baltimore, MD
County: Baltimore City
Company: Omnipoint Communications Cap Operations
Prefix: 443-723-####
City: Brooklyn, MD
County: Baltimore City
Company: Sprint Spectrum L.p.
Prefix: 443-724-####
City: Easton, MD
County: Talbot
Company: Cavalier Telephone (mid-atlantic)
Prefix: 443-725-####
City: Baltimore, MD
County: Baltimore City
Company: Paetec Communications
Prefix: 443-726-####
City: Towson, MD
County: Baltimore
Company: Sprint Spectrum L.p.
Prefix: 443-727-####
City: Bishopville, MD
County: Worcester
Company: Cavalier Telephone (mid-atlantic)
Prefix: 443-728-####
City: Berlin, MD
County: Worcester
Company: Cavalier Telephone (mid-atlantic)
Prefix: 443-729-####
City: Baltimore, MD
County: Baltimore City
Company: Paetec Communications
Prefix: 443-730-####
City: Baltimore, MD
County: Baltimore City
Company: Paetec Communications
Prefix: 443-731-####
City: Port Deposit, MD
County: Cecil
Company: Teleport Communications America
Prefix: 443-737-####
City: Baltimore, MD
County: Baltimore City
Company: Paetec Communications
Prefix: 443-738-####
City: Baltimore, MD
County: Baltimore City
Company: Paetec Communications
Prefix: 443-739-####
City: Baltimore, MD
County: Baltimore City
Company: Omnipoint Communications Cap Operations
Prefix: 443-740-####
City: Baltimore, MD
County: Baltimore City
Company: Telcove Operations
Prefix: 443-741-####
City: Columbia, MD
County: Howard
Company: Mci Worldcom Communications
Prefix: 443-742-####
City: Baltimore, MD
County: Baltimore City
Company: New Cingular Wireless PCS - DC
Prefix: 443-743-####
City: Baltimore, MD
County: Baltimore City
Company: Cellco Partnership DBA Verizon Wireless
Prefix: 443-744-####
City: Reisterstown, MD
County: Baltimore
Company: Sprint Spectrum L.p.
Prefix: 443-745-####
City: Columbia, MD
County: Howard
Company: Cellco Partnership DBA Verizon Wireless
Prefix: 443-746-####
City: Easton, MD
County: Talbot
Company: Level 3 Communications
Prefix: 443-747-####
City: Port Deposit, MD
County: Cecil
Company: Core Communications
Prefix: 443-732-####
City: Westminster, MD
County: Carroll
Company: Teleport Communications America
Prefix: 443-733-####
City: Baltimore, MD
County: Baltimore City
Company: AT&T Local
Prefix: 443-734-####
City: Severn, MD
County: Anne Arundel
Company: Verizon Maryland
Prefix: 443-735-####
City: Salisbury, MD
County: Wicomico
Company: New Cingular Wireless PCS - DC
Prefix: 443-736-####
City: Salisbury, MD
County: Wicomico
Company: New Cingular Wireless PCS - DC
Prefix: 443-748-####
City: Millersville, MD
County: Anne Arundel
Company: Cavalier Telephone Mid-atlantic
Prefix: 443-749-####
City: Baltimore, MD
County: Baltimore City
Company: Cavalier Telephone Mid-atlantic
Prefix: 443-750-####
City: Baltimore, MD
County: Baltimore City
Company: Cellco Partnership DBA Verizon Wireless
Prefix: 443-751-####
City: Woodlawn, MD
County: Baltimore
Company: Cavalier Telephone Mid-atlantic
Prefix: 443-752-####
City: Bel Air, MD
County: Harford
Company: Cellco Partnership DBA Verizon Wireless
Prefix: 443-753-####
City: Jessup, MD
County: Howard
Company: Allegiance Telecom
Prefix: 443-754-####
City: Salisbury, MD
County: Wicomico
Company: Cellco Partnership DBA Verizon Wireless
Prefix: 443-755-####
City: Elkridge, MD
County: Howard
Company: Verizon Maryland
Prefix: 443-756-####
City: Baltimore, MD
County: Baltimore City
Company: New Cingular Wireless PCS - DC
Prefix: 443-757-####
City: Elkridge, MD
County: Howard
Company: Cavalier Telephone Mid-atlantic
Prefix: 443-758-####
City: Annapolis, MD
County: Anne Arundel
Company: AT&T Local
Prefix: 443-759-####
City: Baltimore, MD
County: Baltimore City
Company: Cellco Partnership DBA Verizon Wireless
Prefix: 443-790-####
City: Glen Burnie, MD
County: Anne Arundel
Company: Sprint Spectrum L.p.
Prefix: 443-791-####
City: Towson, MD
County: Baltimore
Company: New Cingular Wireless PCS - DC
Prefix: 443-792-####
City: Brooklyn, MD
County: Baltimore City
Company: Verizon Maryland
Prefix: 443-793-####
City: Baltimore, MD
County: Baltimore City
Company: Xo Maryland
Prefix: 443-794-####
City: Baltimore, MD
County: Baltimore City
Company: New Cingular Wireless PCS - DC
Prefix: 443-795-####
City: Baltimore, MD
County: Baltimore City
Company: Xo Maryland
Prefix: 443-796-####
City: Baltimore, MD
County: Baltimore City
Company: Xo Maryland
Prefix: 443-797-####
City: Baltimore, MD
County: Baltimore City
Company: Xo Maryland
Prefix: 443-798-####
City: Towson, MD
County: Baltimore
Company: Tw Telecom Of Maryland LLC
Prefix: 443-799-####
City: Baltimore, MD
County: Baltimore City
Company: New Cingular Wireless PCS - DC
Prefix: 443-800-####
City: Baltimore, MD
County: Baltimore City
Company: Sprint Spectrum L.p.
Prefix: 443-801-####
City: Baltimore, MD
County: Anne Arundel
Company: Sprint Spectrum L.p.
Prefix: 443-802-####
City: Baltimore, MD
County: Anne Arundel
Company: Sprint Spectrum L.p.
Prefix: 443-803-####
City: Baltimore, MD
County: Anne Arundel
Company: Sprint Spectrum L.p.
Prefix: 443-804-####
City: Baltimore, MD
County: Anne Arundel
Company: Sprint Spectrum L.p.
Prefix: 443-805-####
City: Glen Burnie, MD
County: Anne Arundel
Company: Omnipoint Communications Cap Operations
Prefix: 443-806-####
City: Baltimore, MD
County: Baltimore City
Company: Sprint Spectrum L.p.
Prefix: 443-807-####
City: Fallston, MD
County: Harford
Company: Sprint Spectrum L.p.
Prefix: 443-808-####
City: Annapolis, MD
County: Anne Arundel
Company: Bandwidth.com Clec
Prefix: 443-809-####
City:
County:
Company: Level 3 Communications
Prefix: 443-810-####
City: Baltimore, MD
County: Baltimore City
Company: Sprint Spectrum L.p.
Prefix: 443-812-####
City: Columbia, MD
County: Howard
Company: Cellco Partnership DBA Verizon Wireless
Prefix: 443-813-####
City: Baltimore, MD
County: Baltimore City
Company: Cellco Partnership DBA Verizon Wireless
Prefix: 443-814-####
City: Baltimore, MD
County: Baltimore City
Company: Cellco Partnership DBA Verizon Wireless
Prefix: 443-815-####
City: Baltimore, MD
County: Baltimore City
Company: Xo Maryland
Prefix: 443-816-####
City: Severna Park, MD
County: Anne Arundel
Company: Allegiance Telecom
Prefix: 443-817-####
City: Baltimore, MD
County: Baltimore City
Company: Allegiance Telecom
Prefix: 443-818-####
City: Pasadena, MD
County: Anne Arundel
Company: Level 3 Communications
Prefix: 443-760-####
City: Aberdeen, MD
County: Harford
Company: AT&T Local
Prefix: 443-761-####
City: Towson, MD
County: Baltimore
Company: Omnipoint Communications Cap Operations
Prefix: 443-762-####
City: Baltimore, MD
County: Anne Arundel
Company: Sprint Spectrum L.p.
Prefix: 443-763-####
City: Baltimore, MD
County: Baltimore City
Company: Omnipoint Communications Cap Operations
Prefix: 443-820-####
City: Baltimore, MD
County: Baltimore City
Company: Paetec Communications
Prefix: 443-821-####
City: Westminster, MD
County: Carroll
Company: Sprint Spectrum L.p.
Prefix: 443-822-####
City: Annapolis, MD
County: Anne Arundel
Company: Sprint Spectrum L.p.
Prefix: 443-823-####
City: Towson, MD
County: Baltimore
Company: Cellco Partnership DBA Verizon Wireless
Prefix: 443-824-####
City: Towson, MD
County: Baltimore
Company: Omnipoint Communications Cap Operations
Prefix: 443-825-####
City: Baltimore, MD
County: Baltimore City
Company: Omnipoint Communications Cap Operations
Prefix: 443-826-####
City: Baltimore, MD
County: Baltimore City
Company: Cellco Partnership DBA Verizon Wireless
Prefix: 443-827-####
City: Baltimore, MD
County: Baltimore City
Company: Cellco Partnership DBA Verizon Wireless
Prefix: 443-828-####
City: Ellicott City, MD
County: Howard
Company: Cavalier Telephone Mid-atlantic
Prefix: 443-829-####
City: Baltimore, MD
County: Baltimore City
Company: Sprint Spectrum L.p.
Prefix: 443-830-####
City: Catonsville, MD
County: Baltimore
Company: Cavalier Telephone Mid-atlantic
Prefix: 443-831-####
City: Baltimore, MD
County: Baltimore City
Company: New Cingular Wireless PCS - DC
Prefix: 443-845-####
City: Baltimore, MD
County: Baltimore City
Company: Cellco Partnership DBA Verizon Wireless
Prefix: 443-846-####
City: Towson, MD
County: Baltimore
Company: New Cingular Wireless PCS - DC
Prefix: 443-847-####
City: Towson, MD
County: Baltimore
Company: Cellco Partnership DBA Verizon Wireless
Prefix: 443-848-####
City: Baltimore, MD
County: Anne Arundel
Company: Sprint Spectrum L.p.
Prefix: 443-856-####
City: Ocean City, MD
County: Worcester
Company: Core Communications
Prefix: 443-857-####
City: Baltimore, MD
County: Baltimore City
Company: Omnipoint Communications Cap Operations
Prefix: 443-858-####
City: Baltimore, MD
County: Baltimore City
Company: Omnipoint Communications Cap Operations
Prefix: 443-859-####
City: Salisbury, MD
County: Wicomico
Company: Omnipoint Communications Cap Operations
Prefix: 443-865-####
City: Baltimore, MD
County: Baltimore City
Company: Sprint Spectrum L.p.
Prefix: 443-866-####
City: Bel Air, MD
County: Harford
Company: Sprint Spectrum L.p.
Prefix: 443-867-####
City: Glen Burnie, MD
County: Anne Arundel
Company: Paetec Communications
Prefix: 443-868-####
City: Baltimore, MD
County: Baltimore City
Company: Verizon Maryland
Prefix: 443-869-####
City: Baltimore, MD
County: Baltimore City
Company: Cellco Partnership DBA Verizon Wireless
Prefix: 443-870-####
City: Pikesville, MD
County: Baltimore
Company: Tw Telecom Of Maryland LLC
Prefix: 443-876-####
City: Bel Air, MD
County: Harford
Company: Sprint Spectrum L.p.
Prefix: 443-877-####
City: North East, MD
County: Cecil
Company: Level 3 Communications
Prefix: 443-878-####
City: Baltimore, MD
County: Anne Arundel
Company: Cellco Partnership DBA Verizon Wireless
Prefix: 443-879-####
City: Baltimore, MD
County: Anne Arundel
Company: Verizon Maryland
Prefix: 443-880-####
City: Salisbury, MD
County: Wicomico
Company: AT&T Local
Prefix: 443-881-####
City: Reisterstown, MD
County: Baltimore
Company: Sprint Spectrum L.p.
Prefix: 443-882-####
City: Baltimore, MD
County: Baltimore City
Company: Sprint Spectrum L.p.
Prefix: 443-892-####
City: New Windsor, MD
County: Carroll
Company: Bandwidth.com Clec
Prefix: 443-893-####
City: Baltimore, MD
County: Baltimore City
Company: Xo Maryland
Prefix: 443-894-####
City: Baltimore, MD
County: Baltimore City
Company: Sprint Spectrum L.p.
Prefix: 443-895-####
City: Towson, MD
County: Baltimore
Company: Cellco Partnership DBA Verizon Wireless
Prefix: 443-896-####
City: Baltimore, MD
County: Baltimore City
Company: AT&T Local
Prefix: 443-897-####
City: Baltimore, MD
County: Baltimore City
Company: Leap Wireless Intl DBA Cricket Comm
Prefix: 443-898-####
City: Pikesville, MD
County: Baltimore
Company: Level 3 Communications
Prefix: 443-899-####
City: Elkridge, MD
County: Howard
Company: Broadwing Communications. LLC
Prefix: 443-900-####
City: Towson, MD
County: Baltimore
Company: Cellco Partnership DBA Verizon Wireless
Prefix: 443-901-####
City: Towson, MD
County: Baltimore
Company: Cavalier Telephone Mid-atlantic
Prefix: 443-764-####
City: Glen Burnie, MD
County: Anne Arundel
Company: Omnipoint Communications Cap Operations
Prefix: 443-765-####
City: Catonsville, MD
County: Baltimore
Company: New Cingular Wireless PCS - DC
Prefix: 443-766-####
City: Columbia, MD
County: Howard
Company: Us Lec Of Maryland
Prefix: 443-767-####
City: Reisterstown, MD
County: Baltimore
Company: Cavalier Telephone Mid-atlantic
Prefix: 443-768-####
City: Baltimore, MD
County: Anne Arundel
Company: Sprint Spectrum L.p.
Prefix: 443-832-####
City: Baltimore, MD
County: Baltimore City
Company: Level 3 Communications
Prefix: 443-833-####
City: Arbutus, MD
County: Baltimore
Company: Us Lec Of Maryland
Prefix: 443-834-####
City: Towson, MD
County: Baltimore
Company: Cavalier Telephone Mid-atlantic
Prefix: 443-835-####
City: Baltimore, MD
County: Baltimore City
Company: Cellco Partnership DBA Verizon Wireless
Prefix: 443-836-####
City: Baltimore, MD
County: Baltimore City
Company: Xo Maryland
Prefix: 443-837-####
City: Annapolis, MD
County: Anne Arundel
Company: Us Lec Of Maryland
Prefix: 443-844-####
City: Baltimore, MD
County: Baltimore City
Company: Cellco Partnership DBA Verizon Wireless
Prefix: 443-849-####
City: Towson, MD
County: Baltimore
Company: Verizon Maryland
Prefix: 443-850-####
City: Baltimore, MD
County: Baltimore City
Company: Omnipoint Communications Cap Operations
Prefix: 443-851-####
City: Catonsville, MD
County: Baltimore
Company: Omnipoint Communications Cap Operations
Prefix: 443-852-####
City: Annapolis, MD
County: Anne Arundel
Company: New Cingular Wireless PCS - DC
Prefix: 443-853-####
City: Baltimore, MD
County: Baltimore City
Company: Cellco Partnership DBA Verizon Wireless
Prefix: 443-854-####
City: Baltimore, MD
County: Baltimore City
Company: Omnipoint Communications Cap Operations
Prefix: 443-855-####
City: Aberdeen, MD
County: Harford
Company: Lightwave Communications
Prefix: 443-860-####
City: Catonsville, MD
County: Baltimore
Company: New Cingular Wireless PCS - DC
Prefix: 443-861-####
City: Aberdeen, MD
County: Harford
Company: Verizon Maryland
Prefix: 443-862-####
City: Towson, MD
County: Baltimore
Company: Cellco Partnership DBA Verizon Wireless
Prefix: 443-863-####
City: Baltimore, MD
County: Baltimore City
Company: Cellco Partnership DBA Verizon Wireless
Prefix: 443-864-####
City: Columbia, MD
County: Howard
Company: Sprint Spectrum L.p.
Prefix: 443-871-####
City: Annapolis, MD
County: Anne Arundel
Company: Sprint Spectrum L.p.
Prefix: 443-872-####
City: Baltimore, MD
County: Anne Arundel
Company: Cavalier Telephone Mid-atlantic
Prefix: 443-873-####
City: Pikesville, MD
County: Baltimore
Company: Broadvox-clec
Prefix: 443-874-####
City: Baltimore, MD
County: Baltimore City
Company: Cavalier Telephone Mid-atlantic
Prefix: 443-875-####
City: Annapolis, MD
County: Anne Arundel
Company: New Cingular Wireless PCS - DC
Prefix: 443-883-####
City: Baltimore, MD
County: Baltimore City
Company: AT&T Local
Prefix: 443-884-####
City: Baltimore, MD
County: Baltimore City
Company: Cavalier Telephone Mid-atlantic
Prefix: 443-885-####
City: Baltimore, MD
County: Baltimore City
Company: Verizon Maryland
Prefix: 443-886-####
City: Baltimore, MD
County: Baltimore City
Company: AT&T Local
Prefix: 443-887-####
City: Harmans, MD
County: Anne Arundel
Company: Cavalier Telephone Mid-atlantic
Prefix: 443-888-####
City: Princess Anne, MD
County: Somerset
Company: Cavalier Telephone (mid-atlantic)
Prefix: 443-889-####
City: Glen Burnie, MD
County: Anne Arundel
Company: Omnipoint Communications Cap Operations
Prefix: 443-890-####
City: Baltimore, MD
County: Baltimore City
Company: Cellco Partnership DBA Verizon Wireless
Prefix: 443-891-####
City: Baltimore, MD
County: Baltimore City
Company: Xo Maryland
Prefix: 443-902-####
City: Baltimore, MD
County: Baltimore City
Company: Cellco Partnership DBA Verizon Wireless
Prefix: 443-903-####
City: Bel Air, MD
County: Harford
Company: Cellco Partnership DBA Verizon Wireless
Prefix: 443-904-####
City: Baltimore, MD
County: Baltimore City
Company: Cellco Partnership DBA Verizon Wireless
Prefix: 443-905-####
City: Annapolis, MD
County: Anne Arundel
Company: Sprint Spectrum L.p.
Prefix: 443-906-####
City: Severna Park, MD
County: Anne Arundel
Company: Peerless Network Of Maryland
Prefix: 443-907-####
City: Elkton, MD
County: Cecil
Company: Cellco Partnership DBA Verizon Wireless
Prefix: 443-908-####
City: Baltimore, MD
County: Baltimore City
Company: Cellco Partnership DBA Verizon Wireless
Prefix: 443-909-####
City: Baltimore, MD
County: Baltimore City
Company: Cellco Partnership DBA Verizon Wireless
Prefix: 443-910-####
City: Bel Air, MD
County: Harford
Company: New Cingular Wireless PCS - DC
Prefix: 443-912-####
City: Towson, MD
County: Baltimore
Company: Core Communications
Prefix: 443-913-####
City: Baltimore, MD
County: Baltimore City
Company: Sprint Spectrum L.p.
Prefix: 443-914-####
City: Reisterstown, MD
County: Baltimore
Company: Teleport Communications America
Prefix: 443-915-####
City: Baltimore, MD
County: Baltimore City
Company: Cellco Partnership DBA Verizon Wireless
Prefix: 443-916-####
City: Baltimore, MD
County: Baltimore City
Company: Sprint Spectrum L.p.
Prefix: 443-917-####
City: Columbia, MD
County: Howard
Company: Broadvox-clec
Prefix: 443-769-####
City: Baltimore, MD
County: Baltimore City
Company: Omnipoint Communications Cap Operations
Prefix: 443-770-####
City: Pasadena, MD
County: Anne Arundel
Company: Verizon Maryland
Prefix: 443-771-####
City: Prince Frederick, MD
County: Calvert
Company: Cellco Partnership DBA Verizon Wireless
Prefix: 443-772-####
City: Essex, MD
County: Baltimore
Company: Cavalier Telephone Mid-atlantic
Prefix: 443-773-####
City: Baltimore, MD
County: Baltimore City
Company: Allegiance Telecom
Prefix: 443-774-####
City: Baltimore, MD
County: Baltimore City
Company: Global Naps South
Prefix: 443-776-####
City: Baltimore, MD
County: Baltimore City
Company: Bandwidth.com Clec
Prefix: 443-838-####
City: Baltimore, MD
County: Baltimore City
Company: New Cingular Wireless PCS - DC
Prefix: 443-839-####
City: Baltimore, MD
County: Baltimore City
Company: Omnipoint Communications Cap Operations
Prefix: 443-840-####
City: Catonsville, MD
County: Baltimore
Company: New Cingular Wireless PCS - DC
Prefix: 443-841-####
City: Baltimore, MD
County: Baltimore City
Company: Verizon Maryland
Prefix: 443-842-####
City: Baltimore, MD
County: Baltimore City
Company: Cellco Partnership DBA Verizon Wireless
Prefix: 443-843-####
City: Havre De Grace, MD
County: Harford
Company: Verizon Maryland
Prefix: 443-918-####
City: Taneytown, MD
County: Carroll
Company: Teleport Communications America
Prefix: 443-919-####
City: Baltimore, MD
County: Baltimore City
Company: Cavalier Telephone Mid-atlantic
Prefix: 443-920-####
City: Sykesville, MD
County: Carroll
Company: Teleport Communications America
Prefix: 443-921-####
City: Baltimore, MD
County: Baltimore City
Company: Paetec Communications
Prefix: 443-922-####
City: Edgewood, MD
County: Harford
Company: Atx Telecommunications Services, Ltd
Prefix: 443-923-####
City: Baltimore, MD
County: Baltimore City
Company: Cavalier Telephone Mid-atlantic
Prefix: 443-924-####
City: Annapolis, MD
County: Anne Arundel
Company: Cellco Partnership DBA Verizon Wireless
Prefix: 443-925-####
City: Baltimore, MD
County: Baltimore City
Company: Omnipoint Communications Cap Operations
Prefix: 443-926-####
City: Annapolis, MD
County: Anne Arundel
Company: Broadwing Communications. LLC
Prefix: 443-927-####
City: Baltimore, MD
County: Baltimore City
Company: Broadwing Communications. LLC
Prefix: 443-928-####
City: Baltimore, MD
County: Baltimore City
Company: Cellco Partnership DBA Verizon Wireless
Prefix: 443-929-####
City: Pikesville, MD
County: Baltimore
Company: Omnipoint Communications Cap Operations
Prefix: 443-930-####
City: Baltimore, MD
County: Baltimore City
Company: Cellco Partnership DBA Verizon Wireless
Prefix: 443-931-####
City: Baltimore, MD
County: Baltimore City
Company: Mci Worldcom Communications
Prefix: 443-932-####
City: Baltimore, MD
County: Baltimore City
Company: Sprint Spectrum L.p.
Prefix: 443-933-####
City: Cockeysville, MD
County: Baltimore
Company: Teleport Communications America
Prefix: 443-934-####
City: Baltimore, MD
County: Baltimore City
Company: Cellco Partnership DBA Verizon Wireless
Prefix: 443-935-####
City: Towson, MD
County: Baltimore
Company: New Cingular Wireless PCS - DC
Prefix: 443-937-####
City: Union Bridge, MD
County: Carroll
Company: Teleport Communications America
Prefix: 443-938-####
City: Baltimore, MD
County: Baltimore City
Company: Cellco Partnership DBA Verizon Wireless
Prefix: 443-939-####
City: Baltimore, MD
County: Baltimore City
Company: Omnipoint Communications Cap Operations
Prefix: 443-940-####
City: Pikesville, MD
County: Baltimore
Company: Cavalier Telephone Mid-atlantic
Prefix: 443-941-####
City: Elkton, MD
County: Cecil
Company: New Cingular Wireless PCS - DC
Prefix: 443-942-####
City: Severna Park, MD
County: Anne Arundel
Company: Teleport Communications America
Prefix: 443-943-####
City: Baltimore, MD
County: Baltimore City
Company: Teleport Communications America
Prefix: 443-944-####
City: Salisbury, MD
County: Wicomico
Company: Comcast Phone Of Northern Maryland
Prefix: 443-945-####
City: Elkton, MD
County: Cecil
Company: New Cingular Wireless PCS - DC
Prefix: 443-946-####
City: Parkville, MD
County: Baltimore
Company: Xo Maryland
Prefix: 443-947-####
City: Perryville, MD
County: Cecil
Company: Ctc Communications Corp.
Prefix: 443-948-####
City: Baltimore, MD
County: Baltimore City
Company: Sprint Spectrum L.p.
Prefix: 443-949-####
City: Annapolis, MD
County: Anne Arundel
Company: Comcast Phone Of Northern Maryland
Prefix: 443-951-####
City: Annapolis, MD
County: Anne Arundel
Company: Global Crossing Local Services-md
Prefix: 443-952-####
City: Westminster, MD
County: Carroll
Company: Cellco Partnership DBA Verizon Wireless
Prefix: 443-953-####
City: Salisbury, MD
County: Wicomico
Company: Cellco Partnership DBA Verizon Wireless
Prefix: 443-954-####
City: Baltimore, MD
County: Baltimore City
Company: Paetec Communications
Prefix: 443-955-####
City: Baltimore, MD
County: Baltimore City
Company: Cellco Partnership DBA Verizon Wireless
Prefix: 443-956-####
City: Baltimore, MD
County: Baltimore City
Company: New Cingular Wireless PCS - DC
Prefix: 443-957-####
City: Baltimore, MD
County: Baltimore City
Company: AT&T Local
Prefix: 443-777-####
City: Essex, MD
County: Baltimore
Company: Verizon Maryland
Prefix: 443-778-####
City: Laurel, MD
County: Prince Georges
Company: Verizon Maryland
Prefix: 443-779-####
City: Aberdeen, MD
County: Harford
Company: Xo Maryland
Prefix: 443-780-####
City: Columbia, MD
County: Howard
Company: Us Lec Of Maryland
Prefix: 443-781-####
City: Pasadena, MD
County: Anne Arundel
Company: Xo Maryland
Prefix: 443-782-####
City: Annapolis, MD
County: Anne Arundel
Company: Xo Maryland
Prefix: 443-960-####
City: Glen Burnie, MD
County: Anne Arundel
Company: Cellco Partnership DBA Verizon Wireless
Prefix: 443-962-####
City: Glen Burnie, MD
County: Anne Arundel
Company: Cellco Partnership DBA Verizon Wireless
Prefix: 443-963-####
City: Baltimore, MD
County: Baltimore City
Company: Halo Wireless Services
Prefix: 443-964-####
City: North Beach, MD
County: Calvert
Company: Level 3 Communications
Prefix: 443-965-####
City: Baltimore, MD
County: Baltimore City
Company: Sprint Spectrum L.p.
Prefix: 443-966-####
City: Fallston, MD
County: Harford
Company: Cellco Partnership DBA Verizon Wireless
Prefix: 443-967-####
City: North East, MD
County: Cecil
Company: Verizon Maryland
Prefix: 443-968-####
City: Prince Frederick, MD
County: Calvert
Company: New Cingular Wireless PCS - DC
Prefix: 443-969-####
City: Essex, MD
County: Baltimore
Company: Cavalier Telephone Mid-atlantic
Prefix: 443-970-####
City: Baltimore, MD
County: Baltimore City
Company: Cellco Partnership DBA Verizon Wireless
Prefix: 443-971-####
City: Taneytown, MD
County: Carroll
Company: Bandwidth.com Clec
Prefix: 443-972-####
City: Cambridge, MD
County: Dorchester
Company: Us Lec Of Maryland
Prefix: 443-973-####
City: Baltimore, MD
County: Anne Arundel
Company: Xo Maryland
Prefix: 443-974-####
City: Westminster, MD
County: Carroll
Company: Teleport Communications America
Prefix: 443-975-####
City: Prince Frederick, MD
County: Calvert
Company: New Cingular Wireless PCS - DC
Prefix: 443-976-####
City:
County:
Company: Baltimore-washington Telephone (bwt)
Prefix: 443-977-####
City: Baltimore, MD
County: Baltimore City
Company: Cellco Partnership DBA Verizon Wireless
Prefix: 443-978-####
City: Salisbury, MD
County: Wicomico
Company: Cellco Partnership DBA Verizon Wireless
Prefix: 443-979-####
City: Columbia, MD
County: Howard
Company: Cellco Partnership DBA Verizon Wireless
Prefix: 443-980-####
City: Catonsville, MD
County: Baltimore
Company: New Cingular Wireless PCS - DC
Prefix: 443-981-####
City: Fallston, MD
County: Harford
Company: Cellco Partnership DBA Verizon Wireless
Prefix: 443-982-####
City: Baltimore, MD
County: Baltimore City
Company: Ymax Communications Corp.
Prefix: 443-983-####
City: Baltimore, MD
County: Baltimore City
Company: Omnipoint Communications Cap Operations
Prefix: 443-984-####
City: Baltimore, MD
County: Baltimore City
Company: Verizon Maryland
Prefix: 443-985-####
City: Randallstown, MD
County: Baltimore
Company: Omnipoint Communications Cap Operations
Prefix: 443-986-####
City: Baltimore, MD
County: Baltimore City
Company: Cellco Partnership DBA Verizon Wireless
Prefix: 443-987-####
City: Bel Air, MD
County: Harford
Company: AT&T Local
Prefix: 443-988-####
City: Centreville, MD
County: Queen Annes
Company: Level 3 Communications
Prefix: 443-989-####
City: Glen Burnie, MD
County: Anne Arundel
Company: Cavalier Telephone Mid-atlantic
Prefix: 443-990-####
City: Baltimore, MD
County: Baltimore City
Company: Bandwidth.com Clec
Prefix: 443-991-####
City: Towson, MD
County: Baltimore
Company: Cellco Partnership DBA Verizon Wireless
Prefix: 443-992-####
City: Baltimore, MD
County: Baltimore City
Company: Level 3 Communications
Prefix: 443-993-####
City: Elkton, MD
County: Cecil
Company: Metro PCS
Prefix: 443-994-####
City: Annapolis, MD
County: Anne Arundel
Company: New Cingular Wireless PCS - DC
Prefix: 443-995-####
City: Annapolis, MD
County: Anne Arundel
Company: New Cingular Wireless PCS - DC
Prefix: 443-996-####
City: Catonsville, MD
County: Baltimore
Company: New Cingular Wireless PCS - DC
Prefix: 443-997-####
City: Baltimore, MD
County: Baltimore City
Company: Verizon Maryland
Prefix: 443-998-####
City: Parkville, MD
County: Baltimore
Company: Verizon Maryland
Prefix: 443-783-####
City: Salisbury, MD
County: Wicomico
Company: Cellco Partnership DBA Verizon Wireless
Prefix: 443-784-####
City: Baltimore, MD
County: Baltimore City
Company: Teleport Communications America
Prefix: 443-785-####
City: Arbutus, MD
County: Baltimore
Company: Global Naps South
Prefix: 443-786-####
City: Easton, MD
County: Talbot
Company: Cellco Partnership DBA Verizon Wireless
Prefix: 443-787-####
City: Bel Air, MD
County: Harford
Company: Ctc Communications Corp.
Prefix: 443-788-####
City: Aberdeen, MD
County: Harford
Company: Xo Maryland
Prefix: 443-789-####
City: Westminster, MD
County: Carroll
Company: New Cingular Wireless PCS - DC

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