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Area Code:650
Primary City:San Mateo, CA
650 is a phone number area code located in San Mateo, CA.
Please check general information and active prefixes in this area code.
Active Prefixes in Area Code 650
Prefix: 650-200-####
City: San Mateo, CA
County: San Mateo
Company: O1 Communications
Prefix: 650-201-####
City: San Bruno, CA
County: San Mateo
Company: Sprint Spectrum L.p.
Prefix: 650-202-####
City: San Mateo, CA
County: San Mateo
Company: The Telephone Connection Local Services
Prefix: 650-204-####
City: San Francisco, CA
County: San Francisco
Company: Tw Telecom Of California Lp
Prefix: 650-205-####
City: San Bruno, CA
County: San Mateo
Company: Usa Mobility Wireless
Prefix: 650-206-####
City: Woodside, CA
County: San Mateo
Company: Mpower Communications Corp
Prefix: 650-207-####
City: Redwood City, CA
County: San Mateo
Company: Cellco Partnership DBA Verizon Wireless
Prefix: 650-208-####
City: Redwood City, CA
County: San Mateo
Company: Cellco Partnership DBA Verizon Wireless
Prefix: 650-209-####
City: San Jose, CA
County: Santa Clara
Company: U.s. Telepacific Corp.
Prefix: 650-210-####
City: Mountain View, CA
County: Santa Clara
Company: Pacific Bell
Prefix: 650-212-####
City: San Mateo, CA
County: San Mateo
Company: Pacific Bell
Prefix: 650-213-####
City: Palo Alto, CA
County: Santa Clara
Company: Pacific Bell
Prefix: 650-214-####
City: Mountain View, CA
County: Santa Clara
Company: Mci Worldcom Communications, Ca
Prefix: 650-215-####
City: Mountain View, CA
County: Santa Clara
Company: Global Crossing Local Services-ca
Prefix: 650-216-####
City: Redwood City, CA
County: San Mateo
Company: Pacific Bell
Prefix: 650-217-####
City: San Mateo, CA
County: San Mateo
Company: Usa Mobility Wireless
Prefix: 650-218-####
City: Brisbane, CA
County: San Mateo
Company: Sprint Spectrum L.p.
Prefix: 650-219-####
City: San Bruno, CA
County: San Mateo
Company: Sprint Spectrum L.p.
Prefix: 650-220-####
City: San Mateo, CA
County: San Mateo
Company: American Messaging (am)
Prefix: 650-221-####
City: Redwood City, CA
County: San Mateo
Company: American Messaging Services
Prefix: 650-222-####
City: San Mateo, CA
County: San Mateo
Company: Sprint Spectrum L.p.
Prefix: 650-223-####
City: Palo Alto, CA
County: Santa Clara
Company: Mpower Communications Corp
Prefix: 650-224-####
City: Mountain View, CA
County: Santa Clara
Company: New Cingular Wireless PCS
Prefix: 650-225-####
City: San Bruno, CA
County: San Mateo
Company: Pacific Bell
Prefix: 650-226-####
City: Redwood City, CA
County: San Mateo
Company: Mci Worldcom Communications, Ca
Prefix: 650-227-####
City: San Mateo, CA
County: San Mateo
Company: Xo California
Prefix: 650-228-####
City: San Bruno, CA
County: San Mateo
Company: Xo California
Prefix: 650-229-####
City: Fremont, CA
County: Alameda
Company: Xo California
Prefix: 650-230-####
City: Fremont, CA
County: Alameda
Company: Xo California
Prefix: 650-231-####
City: Millbrae, CA
County: San Mateo
Company: Xo California
Prefix: 650-232-####
City: San Carlos, CA
County: San Mateo
Company: Xo California
Prefix: 650-233-####
City: Palo Alto, CA
County: Santa Clara
Company: Pacific Bell
Prefix: 650-234-####
City: Palo Alto, CA
County: Santa Clara
Company: Pacific Bell
Prefix: 650-235-####
City: San Mateo, CA
County: San Mateo
Company: Brooks Fiber Communications Of California
Prefix: 650-236-####
City: Palo Alto, CA
County: Santa Clara
Company: Pacific Bell
Prefix: 650-237-####
City: Mountain View, CA
County: Santa Clara
Company: Pacific Bell
Prefix: 650-238-####
City: San Bruno, CA
County: San Mateo
Company: Mci Worldcom Communications, Ca
Prefix: 650-239-####
City: Millbrae, CA
County: San Mateo
Company: Pac - West Telecomm
Prefix: 650-240-####
City: San Mateo, CA
County: San Mateo
Company: Pac - West Telecomm
Prefix: 650-241-####
City: Redwood City, CA
County: San Mateo
Company: Level 3 Communications
Prefix: 650-242-####
City: San Mateo, CA
County: San Mateo
Company: Level 3 Communications
Prefix: 650-243-####
City: San Bruno, CA
County: San Mateo
Company: U.s. Telepacific Corp.
Prefix: 650-244-####
City: San Bruno, CA
County: San Mateo
Company: Pacific Bell
Prefix: 650-245-####
City: San Mateo, CA
County: San Mateo
Company: New Cingular Wireless PCS
Prefix: 650-246-####
City: San Bruno, CA
County: San Mateo
Company: Pacific Bell
Prefix: 650-247-####
City: Palo Alto, CA
County: Santa Clara
Company: American Messaging Services
Prefix: 650-248-####
City: Palo Alto, CA
County: Santa Clara
Company: Sprint Spectrum L.p.
Prefix: 650-249-####
City: Redwood City, CA
County: San Mateo
Company: Pac - West Telecomm
Prefix: 650-251-####
City: Palo Alto, CA
County: Santa Clara
Company: Pacific Bell
Prefix: 650-252-####
City: Palo Alto, CA
County: Santa Clara
Company: Peerless Network Of California
Prefix: 650-253-####
City: Mountain View, CA
County: Santa Clara
Company: Mci Worldcom Communications, Ca
Prefix: 650-254-####
City: Mountain View, CA
County: Santa Clara
Company: Pacific Bell
Prefix: 650-255-####
City: San Bruno, CA
County: San Mateo
Company: New Cingular Wireless PCS
Prefix: 650-256-####
City: San Bruno, CA
County: San Mateo
Company: American Messaging (am)
Prefix: 650-257-####
City: Redwood City, CA
County: San Mateo
Company: Global Crossing Local Services-ca
Prefix: 650-258-####
City: Palo Alto, CA
County: Santa Clara
Company: Teleport Communications Group - San Francisco
Prefix: 650-259-####
City: Millbrae, CA
County: San Mateo
Company: Pacific Bell
Prefix: 650-260-####
City: Redwood City, CA
County: San Mateo
Company: AT&T Local
Prefix: 650-261-####
City: Redwood City, CA
County: San Mateo
Company: Pacific Bell
Prefix: 650-262-####
City: Pescadero, CA
County: San Mateo
Company: Level 3 Communications
Prefix: 650-263-####
City: Moss Beach, CA
County: San Mateo
Company: Mci Worldcom Communications, Ca
Prefix: 650-264-####
City: San Carlos, CA
County: San Mateo
Company: AT&T Local
Prefix: 650-265-####
City: Mountain View, CA
County: Santa Clara
Company: AT&T Local
Prefix: 650-266-####
City: San Bruno, CA
County: San Mateo
Company: Pacific Bell
Prefix: 650-267-####
City: San Francisco, CA
County: San Francisco
Company: Level 3 Communications
Prefix: 650-268-####
City: Pescadero, CA
County: San Mateo
Company: Xo California
Prefix: 650-269-####
City: Palo Alto, CA
County: Santa Clara
Company: Cellco Partnership DBA Verizon Wireless
Prefix: 650-270-####
City: San Bruno, CA
County: San Mateo
Company: Sprint Spectrum L.p.
Prefix: 650-271-####
City: San Francisco, CA
County: San Francisco
Company: Metro PCS
Prefix: 650-272-####
City: Fremont, CA
County: Alameda
Company: Xo California
Prefix: 650-273-####
City: San Bruno, CA
County: San Mateo
Company: Astound Broadband
Prefix: 650-274-####
City: Brisbane, CA
County: San Mateo
Company: Sprint Spectrum L.p.
Prefix: 650-291-####
City: San Bruno, CA
County: San Mateo
Company: Cellco Partnership DBA Verizon Wireless
Prefix: 650-292-####
City: San Mateo, CA
County: San Mateo
Company: Broadwing Communications
Prefix: 650-293-####
City: San Mateo, CA
County: San Mateo
Company: Pacific Bell
Prefix: 650-294-####
City: San Mateo, CA
County: San Mateo
Company: Pacific Bell
Prefix: 650-295-####
City: San Mateo, CA
County: San Mateo
Company: Pacific Bell
Prefix: 650-296-####
City: San Bruno, CA
County: San Mateo
Company: New Cingular Wireless PCS
Prefix: 650-297-####
City: Pescadero, CA
County: San Mateo
Company: Tw Telecom Of California Lp
Prefix: 650-298-####
City: Redwood City, CA
County: San Mateo
Company: Pacific Bell
Prefix: 650-299-####
City: Redwood City, CA
County: San Mateo
Company: Pacific Bell
Prefix: 650-312-####
City: San Mateo, CA
County: San Mateo
Company: Pacific Bell
Prefix: 650-314-####
City: Mountain View, CA
County: Santa Clara
Company: Pacific Bell
Prefix: 650-315-####
City: Brisbane, CA
County: San Mateo
Company: Sprint Spectrum L.p.
Prefix: 650-316-####
City: Mountain View, CA
County: Santa Clara
Company: Teleport Communications Group - San Francisco
Prefix: 650-317-####
City: Mountain View, CA
County: Santa Clara
Company: Usa Mobility Wireless
Prefix: 650-318-####
City: Mountain View, CA
County: Santa Clara
Company: Pacific Bell
Prefix: 650-319-####
City: Sunnyvale, CA
County: Santa Clara
Company: Allegiance Telecom
Prefix: 650-320-####
City: Palo Alto, CA
County: Santa Clara
Company: Pacific Bell
Prefix: 650-321-####
City: Palo Alto, CA
County: Santa Clara
Company: Pacific Bell
Prefix: 650-322-####
City: Palo Alto, CA
County: Santa Clara
Company: Pacific Bell
Prefix: 650-323-####
City: Palo Alto, CA
County: Santa Clara
Company: Pacific Bell
Prefix: 650-324-####
City: Palo Alto, CA
County: Santa Clara
Company: Pacific Bell
Prefix: 650-325-####
City: Palo Alto, CA
County: Santa Clara
Company: Pacific Bell
Prefix: 650-326-####
City: Palo Alto, CA
County: Santa Clara
Company: Pacific Bell
Prefix: 650-327-####
City: Palo Alto, CA
County: Santa Clara
Company: Pacific Bell
Prefix: 650-328-####
City: Palo Alto, CA
County: Santa Clara
Company: Pacific Bell
Prefix: 650-329-####
City: Palo Alto, CA
County: Santa Clara
Company: Pacific Bell
Prefix: 650-330-####
City: Palo Alto, CA
County: Santa Clara
Company: Pacific Bell
Prefix: 650-331-####
City: Palo Alto, CA
County: Santa Clara
Company: Broadwing Communications
Prefix: 650-332-####
City: Woodside, CA
County: San Mateo
Company: Pac - West Telecomm
Prefix: 650-333-####
City: San Bruno, CA
County: San Mateo
Company: Sprint Spectrum L.p.
Prefix: 650-335-####
City: Mountain View, CA
County: Santa Clara
Company: Pacific Bell
Prefix: 650-336-####
City: Mountain View, CA
County: Santa Clara
Company: Pacific Bell
Prefix: 650-337-####
City: Pescadero, CA
County: San Mateo
Company: O1 Communications
Prefix: 650-339-####
City: San Carlos, CA
County: San Mateo
Company: Cellco Partnership DBA Verizon Wireless
Prefix: 650-347-####
City: San Mateo, CA
County: San Mateo
Company: Pacific Bell
Prefix: 650-348-####
City: San Mateo, CA
County: San Mateo
Company: Pacific Bell
Prefix: 650-349-####
City: San Mateo, CA
County: San Mateo
Company: Pacific Bell
Prefix: 650-350-####
City: San Mateo, CA
County: San Mateo
Company: Pacific Bell
Prefix: 650-351-####
City: San Francisco, CA
County: San Francisco
Company: Global Crossing Local Services-ca
Prefix: 650-352-####
City: Palo Alto, CA
County: Santa Clara
Company: Global Crossing Local Services-ca
Prefix: 650-353-####
City: Palo Alto, CA
County: Santa Clara
Company: Level 3 Communications
Prefix: 650-354-####
City: Palo Alto, CA
County: Santa Clara
Company: Pacific Bell
Prefix: 650-355-####
City: Pacifica, CA
County: San Mateo
Company: Pacific Bell
Prefix: 650-356-####
City: San Mateo, CA
County: San Mateo
Company: Pacific Bell
Prefix: 650-357-####
City: San Mateo, CA
County: San Mateo
Company: Pacific Bell
Prefix: 650-358-####
City: San Mateo, CA
County: San Mateo
Company: Pacific Bell
Prefix: 650-359-####
City: Pacifica, CA
County: San Mateo
Company: Pacific Bell
Prefix: 650-360-####
City: San Bruno, CA
County: San Mateo
Company: Pac - West Telecomm
Prefix: 650-361-####
City: Redwood City, CA
County: San Mateo
Company: Pacific Bell
Prefix: 650-275-####
City: Woodside, CA
County: San Mateo
Company: Xo California
Prefix: 650-276-####
City: Half Moon Bay, CA
County: San Mateo
Company: Tw Telecom Of California Lp
Prefix: 650-277-####
City: Redwood City, CA
County: San Mateo
Company: 33 Wireless Inc.
Prefix: 650-278-####
City: San Mateo, CA
County: San Mateo
Company: T-mobile Usa
Prefix: 650-279-####
City: Mountain View, CA
County: Santa Clara
Company: Cellco Partnership DBA Verizon Wireless
Prefix: 650-280-####
City: Mountain View, CA
County: Santa Clara
Company: Sprint Spectrum L.p.
Prefix: 650-281-####
City: Brisbane, CA
County: San Mateo
Company: Sprint Spectrum L.p.
Prefix: 650-282-####
City: Mountain View, CA
County: Santa Clara
Company: Astound Broadband
Prefix: 650-300-####
City: Palo Alto, CA
County: Santa Clara
Company: Cf Communications DBA Telekenex
Prefix: 650-301-####
City: Colma, CA
County: San Mateo
Company: Pacific Bell
Prefix: 650-302-####
City: Millbrae, CA
County: San Mateo
Company: New Cingular Wireless PCS
Prefix: 650-303-####
City: San Bruno, CA
County: San Mateo
Company: New Cingular Wireless PCS
Prefix: 650-305-####
City: Los Altos, CA
County: Santa Clara
Company: T-mobile Usa
Prefix: 650-306-####
City: Redwood City, CA
County: San Mateo
Company: Pacific Bell
Prefix: 650-307-####
City: Millbrae, CA
County: San Mateo
Company: T-mobile Usa
Prefix: 650-308-####
City: Palo Alto, CA
County: Santa Clara
Company: Pacific Bell
Prefix: 650-340-####
City: San Mateo, CA
County: San Mateo
Company: Pacific Bell
Prefix: 650-341-####
City: San Mateo, CA
County: San Mateo
Company: Pacific Bell
Prefix: 650-342-####
City: San Mateo, CA
County: San Mateo
Company: Pacific Bell
Prefix: 650-343-####
City: San Mateo, CA
County: San Mateo
Company: Pacific Bell
Prefix: 650-344-####
City: San Mateo, CA
County: San Mateo
Company: Pacific Bell
Prefix: 650-345-####
City: San Mateo, CA
County: San Mateo
Company: Pacific Bell
Prefix: 650-346-####
City: Brisbane, CA
County: San Mateo
Company: Sprint Spectrum L.p.
Prefix: 650-362-####
City: Redwood City, CA
County: San Mateo
Company: Allegiance Telecom
Prefix: 650-363-####
City: Redwood City, CA
County: San Mateo
Company: Pacific Bell
Prefix: 650-364-####
City: Redwood City, CA
County: San Mateo
Company: Pacific Bell
Prefix: 650-365-####
City: Redwood City, CA
County: San Mateo
Company: Pacific Bell
Prefix: 650-366-####
City: Redwood City, CA
County: San Mateo
Company: Pacific Bell
Prefix: 650-367-####
City: Redwood City, CA
County: San Mateo
Company: Pacific Bell
Prefix: 650-368-####
City: Redwood City, CA
County: San Mateo
Company: Pacific Bell
Prefix: 650-369-####
City: Redwood City, CA
County: San Mateo
Company: Pacific Bell
Prefix: 650-370-####
City: Palo Alto, CA
County: Santa Clara
Company: American Messaging (am)
Prefix: 650-371-####
City: San Mateo, CA
County: San Mateo
Company: Usa Mobility Wireless
Prefix: 650-372-####
City: San Mateo, CA
County: San Mateo
Company: Pacific Bell
Prefix: 650-373-####
City: San Mateo, CA
County: San Mateo
Company: Pacific Bell
Prefix: 650-374-####
City: Redwood City, CA
County: San Mateo
Company: American Messaging (am)
Prefix: 650-375-####
City: San Mateo, CA
County: San Mateo
Company: Pacific Bell
Prefix: 650-376-####
City: San Mateo, CA
County: San Mateo
Company: Global Crossing Local Services-ca
Prefix: 650-377-####
City: San Mateo, CA
County: San Mateo
Company: Pacific Bell
Prefix: 650-378-####
City: San Mateo, CA
County: San Mateo
Company: Pacific Bell
Prefix: 650-380-####
City: Palo Alto, CA
County: Santa Clara
Company: Cellco Partnership DBA Verizon Wireless
Prefix: 650-381-####
City: Redwood City, CA
County: San Mateo
Company: Pacific Bell
Prefix: 650-383-####
City: San Jose, CA
County: Santa Clara
Company: Teleport Communications Group - San Francisco
Prefix: 650-384-####
City: Palo Alto, CA
County: Santa Clara
Company: Teleport Communications Group - San Francisco
Prefix: 650-385-####
City: Redwood City, CA
County: San Mateo
Company: Teleport Communications Group - San Francisco
Prefix: 650-386-####
City: San Jose, CA
County: Santa Clara
Company: Teleport Communications Group - San Francisco
Prefix: 650-387-####
City: Palo Alto, CA
County: Santa Clara
Company: New Cingular Wireless PCS
Prefix: 650-388-####
City: Palo Alto, CA
County: Santa Clara
Company: Mcimetro Access Transmission Services LLC
Prefix: 650-389-####
City: San Mateo, CA
County: San Mateo
Company: Mcimetro Access Transmission Services LLC
Prefix: 650-390-####
City: Mountain View, CA
County: Santa Clara
Company: Pacific Bell
Prefix: 650-391-####
City: Palo Alto, CA
County: Santa Clara
Company: Tw Telecom Of California Lp
Prefix: 650-392-####
City: San Francisco, CA
County: San Francisco
Company: Tw Telecom Of California Lp
Prefix: 650-393-####
City: San Mateo, CA
County: San Mateo
Company: Tw Telecom Of California Lp
Prefix: 650-394-####
City: San Carlos, CA
County: San Mateo
Company: Tw Telecom Of California Lp
Prefix: 650-395-####
City: Redwood City, CA
County: San Mateo
Company: Tw Telecom Of California Lp
Prefix: 650-396-####
City: Mountain View, CA
County: Santa Clara
Company: T-mobile Usa
Prefix: 650-397-####
City: Los Altos, CA
County: Santa Clara
Company: O1 Communications
Prefix: 650-399-####
City: Redwood City, CA
County: San Mateo
Company: O1 Communications
Prefix: 650-400-####
City: Redwood City, CA
County: San Mateo
Company: Cellco Partnership DBA Verizon Wireless
Prefix: 650-401-####
City: San Mateo, CA
County: San Mateo
Company: Pacific Bell
Prefix: 650-403-####
City: San Mateo, CA
County: San Mateo
Company: Allegiance Telecom
Prefix: 650-404-####
City: Mountain View, CA
County: Santa Clara
Company: Pacific Bell
Prefix: 650-406-####
City: Mountain View, CA
County: Santa Clara
Company: American Messaging Services
Prefix: 650-408-####
City: San Mateo, CA
County: San Mateo
Company: American Messaging Services
Prefix: 650-409-####
City: San Francisco, CA
County: San Francisco
Company: U.s. Telepacific Corp.
Prefix: 650-412-####
City: San Carlos, CA
County: San Mateo
Company: Allegiance Telecom
Prefix: 650-283-####
City: Palo Alto, CA
County: Santa Clara
Company: T-mobile Usa
Prefix: 650-284-####
City: Half Moon Bay, CA
County: San Mateo
Company: Pac - West Telecomm
Prefix: 650-285-####
City: Palo Alto, CA
County: Santa Clara
Company: Bandwidth.com Clec
Prefix: 650-286-####
City: San Mateo, CA
County: San Mateo
Company: Pacific Bell
Prefix: 650-287-####
City: San Mateo, CA
County: San Mateo
Company: Pacific Bell
Prefix: 650-288-####
City: San Mateo, CA
County: San Mateo
Company: Level 3 Communications
Prefix: 650-289-####
City: Palo Alto, CA
County: Santa Clara
Company: Pacific Bell
Prefix: 650-290-####
City: Pacifica, CA
County: San Mateo
Company: Metro PCS
Prefix: 650-413-####
City: San Carlos, CA
County: San Mateo
Company: Pacific Bell
Prefix: 650-416-####
City: San Francisco, CA
County: San Francisco
Company: Mpower Communications Corp
Prefix: 650-417-####
City: San Jose, CA
County: Santa Clara
Company: U.s. Telepacific Corp.
Prefix: 650-419-####
City: La Honda, CA
County: San Mateo
Company: Level 3 Communications
Prefix: 650-421-####
City: Redwood City, CA
County: San Mateo
Company: U.s. Telepacific Corp.
Prefix: 650-422-####
City: Palo Alto, CA
County: Santa Clara
Company: Cellco Partnership DBA Verizon Wireless
Prefix: 650-423-####
City: Redwood City, CA
County: San Mateo
Company: Pac - West Telecomm
Prefix: 650-424-####
City: Palo Alto, CA
County: Santa Clara
Company: Pacific Bell
Prefix: 650-425-####
City: San Mateo, CA
County: San Mateo
Company: Mcimetro Access Transmission Services LLC
Prefix: 650-426-####
City: Mountain View, CA
County: Santa Clara
Company: Mcimetro Access Transmission Services LLC
Prefix: 650-427-####
City: Palo Alto, CA
County: Santa Clara
Company: Mci Worldcom Communications, Ca
Prefix: 650-428-####
City: Mountain View, CA
County: Santa Clara
Company: Pacific Bell
Prefix: 650-429-####
City: Redwood City, CA
County: San Mateo
Company: Mci Worldcom Communications, Ca
Prefix: 650-430-####
City: San Mateo, CA
County: San Mateo
Company: T-mobile Usa
Prefix: 650-432-####
City: San Mateo, CA
County: San Mateo
Company: Pacific Bell
Prefix: 650-433-####
City: Palo Alto, CA
County: Santa Clara
Company: Allegiance Telecom
Prefix: 650-434-####
City: Woodside, CA
County: San Mateo
Company: U.s. Telepacific Corp.
Prefix: 650-437-####
City: San Mateo, CA
County: San Mateo
Company: Bandwidth.com Clec
Prefix: 650-438-####
City: San Bruno, CA
County: San Mateo
Company: New Cingular Wireless PCS
Prefix: 650-440-####
City: Half Moon Bay, CA
County: San Mateo
Company: T-mobile Usa
Prefix: 650-443-####
City: Millbrae, CA
County: San Mateo
Company: U.s. Telepacific Corp.
Prefix: 650-444-####
City: Palo Alto, CA
County: Santa Clara
Company: Sprint Spectrum L.p.
Prefix: 650-445-####
City: San Mateo, CA
County: San Mateo
Company: T-mobile Usa
Prefix: 650-446-####
City: Woodside, CA
County: San Mateo
Company: O1 Communications
Prefix: 650-449-####
City: San Francisco, CA
County: San Francisco
Company: Allegiance Telecom
Prefix: 650-450-####
City: Mountain View, CA
County: Santa Clara
Company: New Cingular Wireless PCS
Prefix: 650-451-####
City: San Francisco, CA
County: San Francisco
Company: T-mobile Usa
Prefix: 650-452-####
City: San Francisco, CA
County: San Francisco
Company: AT&T Local
Prefix: 650-453-####
City: San Carlos, CA
County: San Mateo
Company: Global Crossing Local Services-ca
Prefix: 650-454-####
City: Redwood City, CA
County: San Mateo
Company: New Cingular Wireless PCS
Prefix: 650-455-####
City: Millbrae, CA
County: San Mateo
Company: New Cingular Wireless PCS
Prefix: 650-456-####
City: Pescadero, CA
County: San Mateo
Company: Pac - West Telecomm
Prefix: 650-458-####
City: San Mateo, CA
County: San Mateo
Company: Astound Broadband
Prefix: 650-461-####
City: Palo Alto, CA
County: Santa Clara
Company: Pacific Bell
Prefix: 650-462-####
City: Palo Alto, CA
County: Santa Clara
Company: Pacific Bell
Prefix: 650-463-####
City: Palo Alto, CA
County: Santa Clara
Company: Pacific Bell
Prefix: 650-464-####
City: Redwood City, CA
County: San Mateo
Company: Cellco Partnership DBA Verizon Wireless
Prefix: 650-465-####
City: Redwood City, CA
County: San Mateo
Company: Cellco Partnership DBA Verizon Wireless
Prefix: 650-466-####
City: San Francisco, CA
County: San Francisco
Company: Pacific Bell
Prefix: 650-467-####
City: San Bruno, CA
County: San Mateo
Company: Pacific Bell
Prefix: 650-468-####
City: Palo Alto, CA
County: Santa Clara
Company: Sprint Spectrum L.p.
Prefix: 650-469-####
City: Los Altos, CA
County: Santa Clara
Company: Allegiance Telecom
Prefix: 650-470-####
City: Palo Alto, CA
County: Santa Clara
Company: Pacific Bell
Prefix: 650-471-####
City: San Jose, CA
County: Santa Clara
Company: Mpower Communications Corp
Prefix: 650-472-####
City: Los Altos, CA
County: Santa Clara
Company: Broadwing Communications
Prefix: 650-473-####
City: Palo Alto, CA
County: Santa Clara
Company: Pacific Bell
Prefix: 650-474-####
City: Redwood City, CA
County: San Mateo
Company: Pacific Bell
Prefix: 650-475-####
City: Fremont, CA
County: Alameda
Company: Xo California
Prefix: 650-477-####
City: San Mateo, CA
County: San Mateo
Company: Cellco Partnership DBA Verizon Wireless
Prefix: 650-479-####
City: Half Moon Bay, CA
County: San Mateo
Company: U.s. Telepacific Corp.
Prefix: 650-480-####
City: Redwood City, CA
County: San Mateo
Company: Brooks Fiber Communications Of California
Prefix: 650-481-####
City: Redwood City, CA
County: San Mateo
Company: Mci Worldcom Communications, Ca
Prefix: 650-482-####
City: Redwood City, CA
County: San Mateo
Company: Pacific Bell
Prefix: 650-483-####
City: San Mateo, CA
County: San Mateo
Company: New Cingular Wireless PCS
Prefix: 650-485-####
City: Palo Alto, CA
County: Santa Clara
Company: Pacific Bell
Prefix: 650-486-####
City: San Carlos, CA
County: San Mateo
Company: Pacific Bell
Prefix: 650-487-####
City: La Honda, CA
County: San Mateo
Company: U.s. Telepacific Corp.
Prefix: 650-488-####
City: San Francisco, CA
County: San Francisco
Company: Teleport Communications Group - San Francisco
Prefix: 650-489-####
City: San Carlos, CA
County: San Mateo
Company: Level 3 Communications
Prefix: 650-490-####
City: Millbrae, CA
County: San Mateo
Company: New Cingular Wireless PCS
Prefix: 650-491-####
City: San Bruno, CA
County: San Mateo
Company: Broadwing Communications
Prefix: 650-492-####
City: Mountain View, CA
County: Santa Clara
Company: New Cingular Wireless PCS
Prefix: 650-493-####
City: Palo Alto, CA
County: Santa Clara
Company: Pacific Bell
Prefix: 650-494-####
City: Palo Alto, CA
County: Santa Clara
Company: Pacific Bell
Prefix: 650-496-####
City: Palo Alto, CA
County: Santa Clara
Company: Pacific Bell
Prefix: 650-497-####
City: Palo Alto, CA
County: Santa Clara
Company: Level 3 Communications
Prefix: 650-498-####
City: Palo Alto, CA
County: Santa Clara
Company: Level 3 Communications
Prefix: 650-500-####
City: San Carlos, CA
County: San Mateo
Company: American Messaging Services
Prefix: 650-503-####
City: Redwood City, CA
County: San Mateo
Company: Mpower Communications Corp
Prefix: 650-504-####
City: San Mateo, CA
County: San Mateo
Company: New Cingular Wireless PCS
Prefix: 650-506-####
City: San Carlos, CA
County: San Mateo
Company: Pacific Bell
Prefix: 650-508-####
City: San Carlos, CA
County: San Mateo
Company: Pacific Bell
Prefix: 650-513-####
City: San Mateo, CA
County: San Mateo
Company: Pacific Bell
Prefix: 650-515-####
City: San Bruno, CA
County: San Mateo
Company: Level 3 Communications
Prefix: 650-516-####
City: Pacifica, CA
County: San Mateo
Company: U.s. Telepacific Corp.
Prefix: 650-517-####
City: San Carlos, CA
County: San Mateo
Company: U.s. Telepacific Corp.
Prefix: 650-518-####
City: Los Altos, CA
County: Santa Clara
Company: Metro PCS
Prefix: 650-520-####
City: Brisbane, CA
County: San Mateo
Company: Sprint Spectrum L.p.
Prefix: 650-521-####
City: Palo Alto, CA
County: Santa Clara
Company: Comcast Phone Of California
Prefix: 650-522-####
City: San Mateo, CA
County: San Mateo
Company: Pacific Bell
Prefix: 650-523-####
City: San Mateo, CA
County: San Mateo
Company: Pac - West Telecomm
Prefix: 650-524-####
City: San Mateo, CA
County: San Mateo
Company: Pacific Bell
Prefix: 650-525-####
City: San Mateo, CA
County: San Mateo
Company: Pacific Bell
Prefix: 650-526-####
City: Mountain View, CA
County: Santa Clara
Company: Pacific Bell
Prefix: 650-527-####
City: Mountain View, CA
County: Santa Clara
Company: Pacific Bell
Prefix: 650-528-####
City: Mountain View, CA
County: Santa Clara
Company: Pacific Bell
Prefix: 650-529-####
City: Woodside, CA
County: San Mateo
Company: Pacific Bell
Prefix: 650-530-####
City: Woodside, CA
County: San Mateo
Company: Teleport Communications Group - San Francisco
Prefix: 650-532-####
City: San Mateo, CA
County: San Mateo
Company: Mpower Communications Corp
Prefix: 650-533-####
City: Brisbane, CA
County: San Mateo
Company: Sprint Spectrum L.p.
Prefix: 650-534-####
City: San Bruno, CA
County: San Mateo
Company: Brooks Fiber Communications Of California
Prefix: 650-535-####
City: Moss Beach, CA
County: San Mateo
Company: U.s. Telepacific Corp.
Prefix: 650-537-####
City: Mountain View, CA
County: Santa Clara
Company: Sprint Spectrum L.p.
Prefix: 650-538-####
City: Pescadero, CA
County: San Mateo
Company: U.s. Telepacific Corp.
Prefix: 650-539-####
City: San Mateo, CA
County: San Mateo
Company: T-mobile Usa
Prefix: 650-542-####
City: Redwood City, CA
County: San Mateo
Company: Pacific Bell
Prefix: 650-543-####
City: San Jose, CA
County: Santa Clara
Company: U.s. Telepacific Corp.
Prefix: 650-544-####
City: Brisbane, CA
County: San Mateo
Company: Sprint Spectrum L.p.
Prefix: 650-545-####
City: Mountain View, CA
County: Santa Clara
Company: North County Communications Corp.
Prefix: 650-548-####
City: San Mateo, CA
County: San Mateo
Company: Pacific Bell
Prefix: 650-549-####
City: Redwood City, CA
County: San Mateo
Company: Mcimetro Access Transmission Services LLC
Prefix: 650-550-####
City: Colma, CA
County: San Mateo
Company: Pacific Bell
Prefix: 650-551-####
City: San Carlos, CA
County: San Mateo
Company: Pacific Bell
Prefix: 650-552-####
City: Millbrae, CA
County: San Mateo
Company: Pacific Bell
Prefix: 650-553-####
City: San Bruno, CA
County: San Mateo
Company: Pacific Bell
Prefix: 650-554-####
City: San Mateo, CA
County: San Mateo
Company: Pacific Bell
Prefix: 650-556-####
City: Redwood City, CA
County: San Mateo
Company: Pacific Bell
Prefix: 650-557-####
City: Pacifica, CA
County: San Mateo
Company: Pacific Bell
Prefix: 650-558-####
City: San Mateo, CA
County: San Mateo
Company: Pacific Bell
Prefix: 650-559-####
City: Los Altos, CA
County: Santa Clara
Company: Pacific Bell
Prefix: 650-578-####
City: San Mateo, CA
County: San Mateo
Company: Pacific Bell
Prefix: 650-579-####
City: San Mateo, CA
County: San Mateo
Company: Pacific Bell
Prefix: 650-580-####
City: San Bruno, CA
County: San Mateo
Company: New Cingular Wireless PCS
Prefix: 650-581-####
City: San Mateo, CA
County: San Mateo
Company: Teleport Communications Group - San Francisco
Prefix: 650-583-####
City: San Bruno, CA
County: San Mateo
Company: Pacific Bell
Prefix: 650-584-####
City: Mountain View, CA
County: Santa Clara
Company: Pacific Bell
Prefix: 650-585-####
City: San Carlos, CA
County: San Mateo
Company: Broadwing Communications
Prefix: 650-587-####
City: Redwood City, CA
County: San Mateo
Company: Broadwing Communications
Prefix: 650-596-####
City: San Carlos, CA
County: San Mateo
Company: Pacific Bell
Prefix: 650-597-####
City: San Carlos, CA
County: San Mateo
Company: Utility Telephone
Prefix: 650-598-####
City: San Carlos, CA
County: San Mateo
Company: Pacific Bell
Prefix: 650-599-####
City: Redwood City, CA
County: San Mateo
Company: Pacific Bell
Prefix: 650-600-####
City: Palo Alto, CA
County: Santa Clara
Company: Cf Communications DBA Telekenex
Prefix: 650-603-####
City: Mountain View, CA
County: Santa Clara
Company: Pacific Bell
Prefix: 650-604-####
City: Mountain View, CA
County: Santa Clara
Company: Pacific Bell
Prefix: 650-605-####
City: Mountain View, CA
County: Santa Clara
Company: Allegiance Telecom
Prefix: 650-607-####
City: San Carlos, CA
County: San Mateo
Company: Pacific Bell
Prefix: 650-610-####
City: San Carlos, CA
County: San Mateo
Company: Pacific Bell
Prefix: 650-612-####
City: San Mateo, CA
County: San Mateo
Company: Pacific Bell
Prefix: 650-614-####
City: Palo Alto, CA
County: Santa Clara
Company: Pacific Bell
Prefix: 650-615-####
City: San Bruno, CA
County: San Mateo
Company: Pacific Bell
Prefix: 650-616-####
City: San Bruno, CA
County: San Mateo
Company: Pacific Bell
Prefix: 650-617-####
City: Palo Alto, CA
County: Santa Clara
Company: Pacific Bell
Prefix: 650-618-####
City: Palo Alto, CA
County: Santa Clara
Company: Pac - West Telecomm
Prefix: 650-619-####
City: San Mateo, CA
County: San Mateo
Company: New Cingular Wireless PCS
Prefix: 650-620-####
City: San Carlos, CA
County: San Mateo
Company: Pacific Bell
Prefix: 650-621-####
City: Palo Alto, CA
County: Santa Clara
Company: Pacific Bell
Prefix: 650-622-####
City: San Carlos, CA
County: San Mateo
Company: Pacific Bell
Prefix: 650-623-####
City: Mountain View, CA
County: Santa Clara
Company: Pacific Bell
Prefix: 650-624-####
City: San Bruno, CA
County: San Mateo
Company: Pacific Bell
Prefix: 650-625-####
City: Mountain View, CA
County: Santa Clara
Company: Pacific Bell
Prefix: 650-636-####
City: San Francisco, CA
County: San Francisco
Company: Allegiance Telecom
Prefix: 650-637-####
City: San Carlos, CA
County: San Mateo
Company: Pacific Bell
Prefix: 650-638-####
City: San Mateo, CA
County: San Mateo
Company: Pacific Bell
Prefix: 650-639-####
City: San Mateo, CA
County: San Mateo
Company: American Messaging (am)
Prefix: 650-641-####
City: Mountain View, CA
County: Santa Clara
Company: Broadwing Communications
Prefix: 650-642-####
City: San Mateo, CA
County: San Mateo
Company: Sprint Spectrum L.p.
Prefix: 650-644-####
City: Palo Alto, CA
County: Santa Clara
Company: Pac - West Telecomm
Prefix: 650-645-####
City: San Mateo, CA
County: San Mateo
Company: Teleport Communications Group - San Francisco
Prefix: 650-646-####
City: Palo Alto, CA
County: Santa Clara
Company: T-mobile Usa
Prefix: 650-682-####
City: Palo Alto, CA
County: Santa Clara
Company: The Telephone Connection Local Services
Prefix: 650-683-####
City: Woodside, CA
County: San Mateo
Company: Sprint Spectrum L.p.
Prefix: 650-684-####
City: Millbrae, CA
County: San Mateo
Company: Pac - West Telecomm
Prefix: 650-685-####
City: San Mateo, CA
County: San Mateo
Company: Pacific Bell
Prefix: 650-686-####
City: San Francisco, CA
County: San Francisco
Company: Mcimetro Access Transmission Services LLC
Prefix: 650-687-####
City: Palo Alto, CA
County: Santa Clara
Company: Mci Worldcom Communications, Ca
Prefix: 650-688-####
City: Palo Alto, CA
County: Santa Clara
Company: Pacific Bell
Prefix: 650-689-####
City: San Francisco, CA
County: San Francisco
Company: Teleport Communications Group - San Francisco
Prefix: 650-560-####
City: Half Moon Bay, CA
County: San Mateo
Company: Pacific Bell
Prefix: 650-561-####
City: Palo Alto, CA
County: Santa Clara
Company: Pacific Bell
Prefix: 650-562-####
City: Redwood City, CA
County: San Mateo
Company: Pacific Bell
Prefix: 650-563-####
City: Moss Beach, CA
County: San Mateo
Company: Pacific Bell
Prefix: 650-564-####
City: Mountain View, CA
County: Santa Clara
Company: Pacific Bell
Prefix: 650-565-####
City: Palo Alto, CA
County: Santa Clara
Company: Pacific Bell
Prefix: 650-566-####
City: Palo Alto, CA
County: Santa Clara
Company: Pacific Bell
Prefix: 650-567-####
City: Mountain View, CA
County: Santa Clara
Company: Pacific Bell
Prefix: 650-568-####
City: Redwood City, CA
County: San Mateo
Company: Pacific Bell
Prefix: 650-577-####
City: San Mateo, CA
County: San Mateo
Company: Pacific Bell
Prefix: 650-588-####
City: San Bruno, CA
County: San Mateo
Company: Pacific Bell
Prefix: 650-589-####
City: San Bruno, CA
County: San Mateo
Company: Pacific Bell
Prefix: 650-590-####
City: San Carlos, CA
County: San Mateo
Company: Pac - West Telecomm
Prefix: 650-591-####
City: San Carlos, CA
County: San Mateo
Company: Pacific Bell
Prefix: 650-592-####
City: San Carlos, CA
County: San Mateo
Company: Pacific Bell
Prefix: 650-593-####
City: San Carlos, CA
County: San Mateo
Company: Pacific Bell
Prefix: 650-594-####
City: San Carlos, CA
County: San Mateo
Company: Pacific Bell
Prefix: 650-595-####
City: San Carlos, CA
County: San Mateo
Company: Pacific Bell
Prefix: 650-627-####
City: San Mateo, CA
County: San Mateo
Company: Pacific Bell
Prefix: 650-628-####
City: San Carlos, CA
County: San Mateo
Company: Mcimetro Access Transmission Services LLC
Prefix: 650-630-####
City: Palo Alto, CA
County: Santa Clara
Company: Metro PCS
Prefix: 650-631-####
City: San Carlos, CA
County: San Mateo
Company: Pacific Bell
Prefix: 650-632-####
City: San Carlos, CA
County: San Mateo
Company: Pacific Bell
Prefix: 650-633-####
City: San Carlos, CA
County: San Mateo
Company: Pacific Bell
Prefix: 650-634-####
City: San Bruno, CA
County: San Mateo
Company: Pacific Bell
Prefix: 650-635-####
City: San Bruno, CA
County: San Mateo
Company: Pacific Bell
Prefix: 650-648-####
City: San Francisco, CA
County: San Francisco
Company: Allegiance Telecom
Prefix: 650-649-####
City: Redwood City, CA
County: San Mateo
Company: Pac - West Telecomm
Prefix: 650-651-####
City: Millbrae, CA
County: San Mateo
Company: Mci Worldcom Communications, Ca
Prefix: 650-652-####
City: Millbrae, CA
County: San Mateo
Company: Pacific Bell
Prefix: 650-653-####
City: Redwood City, CA
County: San Mateo
Company: Mci Worldcom Communications, Ca
Prefix: 650-654-####
City: San Carlos, CA
County: San Mateo
Company: Pacific Bell
Prefix: 650-655-####
City: San Mateo, CA
County: San Mateo
Company: Pacific Bell
Prefix: 650-656-####
City: Palo Alto, CA
County: Santa Clara
Company: Level 3 Communications
Prefix: 650-690-####
City: Palo Alto, CA
County: Santa Clara
Company: AT&T Local
Prefix: 650-691-####
City: Mountain View, CA
County: Santa Clara
Company: Pacific Bell
Prefix: 650-692-####
City: Millbrae, CA
County: San Mateo
Company: Pacific Bell
Prefix: 650-693-####
City: Mountain View, CA
County: Santa Clara
Company: Broadwing Communications
Prefix: 650-694-####
City: Mountain View, CA
County: Santa Clara
Company: Pacific Bell
Prefix: 650-696-####
City: San Mateo, CA
County: San Mateo
Company: Pacific Bell
Prefix: 650-697-####
City: Millbrae, CA
County: San Mateo
Company: Pacific Bell
Prefix: 650-701-####
City: Redwood City, CA
County: San Mateo
Company: Pacific Bell
Prefix: 650-703-####
City: San Mateo, CA
County: San Mateo
Company: New Cingular Wireless PCS
Prefix: 650-704-####
City: Palo Alto, CA
County: Santa Clara
Company: New Cingular Wireless PCS
Prefix: 650-712-####
City: Half Moon Bay, CA
County: San Mateo
Company: Pacific Bell
Prefix: 650-713-####
City: Half Moon Bay, CA
County: San Mateo
Company: Allegiance Telecom
Prefix: 650-714-####
City: Palo Alto, CA
County: Santa Clara
Company: New Cingular Wireless PCS
Prefix: 650-716-####
City: Redwood City, CA
County: San Mateo
Company: Xo California
Prefix: 650-718-####
City: Moss Beach, CA
County: San Mateo
Company: Teleport Communications Group - San Francisco
Prefix: 650-719-####
City: Moss Beach, CA
County: San Mateo
Company: Allegiance Telecom
Prefix: 650-720-####
City: Half Moon Bay, CA
County: San Mateo
Company: Mcimetro Access Transmission Services LLC
Prefix: 650-721-####
City: Palo Alto, CA
County: Santa Clara
Company: Level 3 Communications
Prefix: 650-722-####
City: Redwood City, CA
County: San Mateo
Company: Cellco Partnership DBA Verizon Wireless
Prefix: 650-723-####
City: Palo Alto, CA
County: Santa Clara
Company: Level 3 Communications
Prefix: 650-724-####
City: Palo Alto, CA
County: Santa Clara
Company: Level 3 Communications
Prefix: 650-725-####
City: Palo Alto, CA
County: Santa Clara
Company: Level 3 Communications
Prefix: 650-726-####
City: Half Moon Bay, CA
County: San Mateo
Company: Pacific Bell
Prefix: 650-727-####
City:
County:
Company: Bandwidth.com Clec
Prefix: 650-728-####
City: Moss Beach, CA
County: San Mateo
Company: Pacific Bell
Prefix: 650-729-####
City: Half Moon Bay, CA
County: San Mateo
Company: Teleport Communications Group - San Francisco
Prefix: 650-730-####
City: San Carlos, CA
County: San Mateo
Company: Cellco Partnership DBA Verizon Wireless
Prefix: 650-731-####
City: San Francisco, CA
County: San Francisco
Company: Astound Broadband
Prefix: 650-732-####
City: Millbrae, CA
County: San Mateo
Company: Cellco Partnership DBA Verizon Wireless
Prefix: 650-733-####
City: San Francisco, CA
County: San Francisco
Company: Allegiance Telecom
Prefix: 650-735-####
City: San Francisco, CA
County: San Francisco
Company: Teleport Communications Group - San Francisco
Prefix: 650-736-####
City: Palo Alto, CA
County: Santa Clara
Company: Level 3 Communications
Prefix: 650-737-####
City: San Bruno, CA
County: San Mateo
Company: Pacific Bell
Prefix: 650-738-####
City: Pacifica, CA
County: San Mateo
Company: Pacific Bell
Prefix: 650-739-####
City: Palo Alto, CA
County: Santa Clara
Company: Pacific Bell
Prefix: 650-569-####
City: Redwood City, CA
County: San Mateo
Company: Pacific Bell
Prefix: 650-570-####
City: San Mateo, CA
County: San Mateo
Company: Pacific Bell
Prefix: 650-571-####
City: San Mateo, CA
County: San Mateo
Company: Pacific Bell
Prefix: 650-572-####
City: San Mateo, CA
County: San Mateo
Company: Pacific Bell
Prefix: 650-573-####
City: San Mateo, CA
County: San Mateo
Company: Pacific Bell
Prefix: 650-574-####
City: San Mateo, CA
County: San Mateo
Company: Pacific Bell
Prefix: 650-575-####
City: Palo Alto, CA
County: Santa Clara
Company: New Cingular Wireless PCS
Prefix: 650-576-####
City: San Mateo, CA
County: San Mateo
Company: New Cingular Wireless PCS
Prefix: 650-662-####
City: La Honda, CA
County: San Mateo
Company: O1 Communications
Prefix: 650-666-####
City: Palo Alto, CA
County: Santa Clara
Company: Cf Communications DBA Telekenex
Prefix: 650-669-####
City: Mountain View, CA
County: Santa Clara
Company: Metro PCS
Prefix: 650-670-####
City: Redwood City, CA
County: San Mateo
Company: Sprint Spectrum L.p.
Prefix: 650-673-####
City: La Honda, CA
County: San Mateo
Company: Sbc Internet Services
Prefix: 650-676-####
City: S San Fran, CA
County: San Mateo
Company: Utility Telephone
Prefix: 650-678-####
City: San Mateo, CA
County: San Mateo
Company: Cellco Partnership DBA Verizon Wireless
Prefix: 650-679-####
City: Redwood City, CA
County: San Mateo
Company: Astound Broadband
Prefix: 650-681-####
City: Palo Alto, CA
County: Santa Clara
Company: O1 Communications
Prefix: 650-740-####
City: San Mateo, CA
County: San Mateo
Company: New Cingular Wireless PCS
Prefix: 650-741-####
City: San Bruno, CA
County: San Mateo
Company: Pacific Bell
Prefix: 650-742-####
City: San Bruno, CA
County: San Mateo
Company: Pacific Bell
Prefix: 650-743-####
City: Redwood City, CA
County: San Mateo
Company: New Cingular Wireless PCS
Prefix: 650-745-####
City: San Francisco, CA
County: San Francisco
Company: Teleport Communications Group - San Francisco
Prefix: 650-746-####
City: Colma, CA
County: San Mateo
Company: Pacific Bell
Prefix: 650-747-####
City: La Honda, CA
County: San Mateo
Company: Pacific Bell
Prefix: 650-748-####
City: La Honda, CA
County: San Mateo
Company: Teleport Communications Group - San Francisco
Prefix: 650-749-####
City: La Honda, CA
County: San Mateo
Company: Allegiance Telecom
Prefix: 650-752-####
City: Palo Alto, CA
County: Santa Clara
Company: Pacific Bell
Prefix: 650-754-####
City: Colma, CA
County: San Mateo
Company: Pacific Bell
Prefix: 650-755-####
City: Colma, CA
County: San Mateo
Company: Pacific Bell
Prefix: 650-756-####
City: Colma, CA
County: San Mateo
Company: Pacific Bell
Prefix: 650-757-####
City: Colma, CA
County: San Mateo
Company: Pacific Bell
Prefix: 650-758-####
City: Colma, CA
County: San Mateo
Company: Pacific Bell
Prefix: 650-759-####
City: San Mateo, CA
County: San Mateo
Company: Cellco Partnership DBA Verizon Wireless
Prefix: 650-810-####
City: San Jose, CA
County: Santa Clara
Company: U.s. Telepacific Corp.
Prefix: 650-812-####
City: Palo Alto, CA
County: Santa Clara
Company: Pacific Bell
Prefix: 650-813-####
City: Palo Alto, CA
County: Santa Clara
Company: Pacific Bell
Prefix: 650-814-####
City: Palo Alto, CA
County: Santa Clara
Company: Sprint Spectrum L.p.
Prefix: 650-815-####
City: Sunnyvale, CA
County: Santa Clara
Company: Brooks Fiber Communications Of California
Prefix: 650-817-####
City: Redwood City, CA
County: San Mateo
Company: Pacific Bell
Prefix: 650-821-####
City: San Francisco, CA
County: San Francisco
Company: Teleport Communications Group - San Francisco
Prefix: 650-823-####
City: Los Altos, CA
County: Santa Clara
Company: New Cingular Wireless PCS
Prefix: 650-825-####
City: San Francisco, CA
County: San Francisco
Company: Mcimetro Access Transmission Services LLC
Prefix: 650-837-####
City: San Bruno, CA
County: San Mateo
Company: Pacific Bell
Prefix: 650-838-####
City: Palo Alto, CA
County: Santa Clara
Company: Pacific Bell
Prefix: 650-839-####
City: Redwood City, CA
County: San Mateo
Company: Pacific Bell
Prefix: 650-842-####
City: Palo Alto, CA
County: Santa Clara
Company: Pacific Bell
Prefix: 650-843-####
City: Palo Alto, CA
County: Santa Clara
Company: Pacific Bell
Prefix: 650-845-####
City: Palo Alto, CA
County: Santa Clara
Company: Pacific Bell
Prefix: 650-846-####
City: Palo Alto, CA
County: Santa Clara
Company: Pacific Bell
Prefix: 650-847-####
City: Palo Alto, CA
County: Santa Clara
Company: Mcimetro Access Transmission Services LLC
Prefix: 650-849-####
City: Palo Alto, CA
County: Santa Clara
Company: Pacific Bell
Prefix: 650-850-####
City: Woodside, CA
County: San Mateo
Company: Allegiance Telecom
Prefix: 650-851-####
City: Woodside, CA
County: San Mateo
Company: Pacific Bell
Prefix: 650-852-####
City: Palo Alto, CA
County: Santa Clara
Company: Pacific Bell
Prefix: 650-853-####
City: Palo Alto, CA
County: Santa Clara
Company: Pacific Bell
Prefix: 650-854-####
City: Palo Alto, CA
County: Santa Clara
Company: Pacific Bell
Prefix: 650-855-####
City: Palo Alto, CA
County: Santa Clara
Company: Pacific Bell
Prefix: 650-856-####
City: Palo Alto, CA
County: Santa Clara
Company: Pacific Bell
Prefix: 650-857-####
City: Palo Alto, CA
County: Santa Clara
Company: Pacific Bell
Prefix: 650-858-####
City: Palo Alto, CA
County: Santa Clara
Company: Pacific Bell
Prefix: 650-859-####
City: Palo Alto, CA
County: Santa Clara
Company: Pacific Bell
Prefix: 650-860-####
City: Pescadero, CA
County: San Mateo
Company: Broadwing Communications
Prefix: 650-861-####
City: Mountain View, CA
County: Santa Clara
Company: T-mobile Usa
Prefix: 650-862-####
City: Palo Alto, CA
County: Santa Clara
Company: New Cingular Wireless PCS
Prefix: 650-863-####
City: San Mateo, CA
County: San Mateo
Company: New Cingular Wireless PCS
Prefix: 650-864-####
City: Mountain View, CA
County: Santa Clara
Company: Pacific Bell
Prefix: 650-866-####
City: San Bruno, CA
County: San Mateo
Company: Pacific Bell
Prefix: 650-867-####
City: San Mateo, CA
County: San Mateo
Company: New Cingular Wireless PCS
Prefix: 650-868-####
City: Redwood City, CA
County: San Mateo
Company: New Cingular Wireless PCS
Prefix: 650-761-####
City: San Bruno, CA
County: San Mateo
Company: Pacific Bell
Prefix: 650-762-####
City: San Mateo, CA
County: San Mateo
Company: Pacific Bell
Prefix: 650-763-####
City: San Francisco, CA
County: San Francisco
Company: Level 3 Communications
Prefix: 650-766-####
City: San Mateo, CA
County: San Mateo
Company: New Cingular Wireless PCS
Prefix: 650-769-####
City: San Carlos, CA
County: San Mateo
Company: Brooks Fiber Communications Of California
Prefix: 650-771-####
City: Redwood City, CA
County: San Mateo
Company: Metro PCS
Prefix: 650-773-####
City: San Mateo, CA
County: San Mateo
Company: Cellco Partnership DBA Verizon Wireless
Prefix: 650-776-####
City: Palo Alto, CA
County: Santa Clara
Company: Sprint Spectrum L.p.
Prefix: 650-777-####
City: Millbrae, CA
County: San Mateo
Company: Pacific Bell
Prefix: 650-826-####
City: San Bruno, CA
County: San Mateo
Company: Sprint Spectrum L.p.
Prefix: 650-827-####
City: San Bruno, CA
County: San Mateo
Company: Pacific Bell
Prefix: 650-829-####
City: San Bruno, CA
County: San Mateo
Company: Pacific Bell
Prefix: 650-830-####
City: San Carlos, CA
County: San Mateo
Company: Level 3 Communications
Prefix: 650-832-####
City: San Carlos, CA
County: San Mateo
Company: Mpower Communications Corp
Prefix: 650-833-####
City: Palo Alto, CA
County: Santa Clara
Company: Pacific Bell
Prefix: 650-834-####
City: San Bruno, CA
County: San Mateo
Company: Metro PCS
Prefix: 650-835-####
City: San Bruno, CA
County: San Mateo
Company: O1 Communications
Prefix: 650-869-####
City: San Bruno, CA
County: San Mateo
Company: Pacific Bell
Prefix: 650-870-####
City: San Bruno, CA
County: San Mateo
Company: Pac - West Telecomm
Prefix: 650-871-####
City: San Bruno, CA
County: San Mateo
Company: Pacific Bell
Prefix: 650-872-####
City: San Bruno, CA
County: San Mateo
Company: Pacific Bell
Prefix: 650-873-####
City: San Bruno, CA
County: San Mateo
Company: Pacific Bell
Prefix: 650-874-####
City: San Bruno, CA
County: San Mateo
Company: Pacific Bell
Prefix: 650-875-####
City: San Bruno, CA
County: San Mateo
Company: Pacific Bell
Prefix: 650-876-####
City: San Bruno, CA
County: San Mateo
Company: Pacific Bell
Prefix: 650-877-####
City: San Bruno, CA
County: San Mateo
Company: Pacific Bell
Prefix: 650-878-####
City: Colma, CA
County: San Mateo
Company: Pacific Bell
Prefix: 650-879-####
City: Pescadero, CA
County: San Mateo
Company: Pacific Bell
Prefix: 650-881-####
City: Pescadero, CA
County: San Mateo
Company: Teleport Communications Group - San Francisco
Prefix: 650-882-####
City: Pescadero, CA
County: San Mateo
Company: Allegiance Telecom
Prefix: 650-887-####
City: Los Altos, CA
County: Santa Clara
Company: Pac - West Telecomm
Prefix: 650-888-####
City: San Mateo, CA
County: San Mateo
Company: New Cingular Wireless PCS
Prefix: 650-889-####
City: Half Moon Bay, CA
County: San Mateo
Company: O1 Communications
Prefix: 650-892-####
City: San Bruno, CA
County: San Mateo
Company: New Cingular Wireless PCS
Prefix: 650-897-####
City: Moss Beach, CA
County: San Mateo
Company: Pac - West Telecomm
Prefix: 650-898-####
City: Pacifica, CA
County: San Mateo
Company: Pac - West Telecomm
Prefix: 650-899-####
City: La Honda, CA
County: San Mateo
Company: Pac - West Telecomm
Prefix: 650-900-####
City: San Jose, CA
County: Santa Clara
Company: O1 Communications
Prefix: 650-903-####
City: Mountain View, CA
County: Santa Clara
Company: Pacific Bell
Prefix: 650-906-####
City: Palo Alto, CA
County: Santa Clara
Company: Sprint Spectrum L.p.
Prefix: 650-917-####
City: Los Altos, CA
County: Santa Clara
Company: Pacific Bell
Prefix: 650-918-####
City: San Mateo, CA
County: San Mateo
Company: AT&T Local
Prefix: 650-919-####
City: Mountain View, CA
County: Santa Clara
Company: Pacific Bell
Prefix: 650-921-####
City: San Mateo, CA
County: San Mateo
Company: Metro PCS
Prefix: 650-922-####
City: San Bruno, CA
County: San Mateo
Company: Cellco Partnership DBA Verizon Wireless
Prefix: 650-924-####
City: Palo Alto, CA
County: Santa Clara
Company: Sprint Spectrum L.p.
Prefix: 650-926-####
City: Palo Alto, CA
County: Santa Clara
Company: Pacific Bell
Prefix: 650-930-####
City: Sunnyvale, CA
County: Santa Clara
Company: Brooks Fiber Communications Of California
Prefix: 650-931-####
City: San Mateo, CA
County: San Mateo
Company: U.s. Telepacific Corp.
Prefix: 650-932-####
City: Mountain View, CA
County: Santa Clara
Company: Pacific Bell
Prefix: 650-933-####
City: Mountain View, CA
County: Santa Clara
Company: Pacific Bell
Prefix: 650-934-####
City: Mountain View, CA
County: Santa Clara
Company: Pacific Bell
Prefix: 650-935-####
City: Los Altos, CA
County: Santa Clara
Company: Mcimetro Access Transmission Services LLC
Prefix: 650-937-####
City: Mountain View, CA
County: Santa Clara
Company: Pacific Bell
Prefix: 650-938-####
City: Mountain View, CA
County: Santa Clara
Company: Pacific Bell
Prefix: 650-940-####
City: Mountain View, CA
County: Santa Clara
Company: Pacific Bell
Prefix: 650-941-####
City: Los Altos, CA
County: Santa Clara
Company: Pacific Bell
Prefix: 650-942-####
City: Millbrae, CA
County: San Mateo
Company: Cellco Partnership DBA Verizon Wireless
Prefix: 650-943-####
City: Mountain View, CA
County: Santa Clara
Company: Pacific Bell
Prefix: 650-963-####
City: Mountain View, CA
County: Santa Clara
Company: Pac - West Telecomm
Prefix: 650-964-####
City: Mountain View, CA
County: Santa Clara
Company: Pacific Bell
Prefix: 650-965-####
City: Mountain View, CA
County: Santa Clara
Company: Pacific Bell
Prefix: 650-966-####
City: Mountain View, CA
County: Santa Clara
Company: Pacific Bell
Prefix: 650-967-####
City: Mountain View, CA
County: Santa Clara
Company: Pacific Bell
Prefix: 650-968-####
City: Mountain View, CA
County: Santa Clara
Company: Pacific Bell
Prefix: 650-969-####
City: Mountain View, CA
County: Santa Clara
Company: Pacific Bell
Prefix: 650-980-####
City: Redwood City, CA
County: San Mateo
Company: Xo California
Prefix: 650-779-####
City: Redwood City, CA
County: San Mateo
Company: Teleport Communications Group - San Francisco
Prefix: 650-780-####
City: Redwood City, CA
County: San Mateo
Company: Pacific Bell
Prefix: 650-784-####
City: San Bruno, CA
County: San Mateo
Company: Sprint Spectrum L.p.
Prefix: 650-786-####
City: Redwood City, CA
County: San Mateo
Company: Pacific Bell
Prefix: 650-787-####
City: San Mateo, CA
County: San Mateo
Company: New Cingular Wireless PCS
Prefix: 650-793-####
City: Mountain View, CA
County: Santa Clara
Company: Cellco Partnership DBA Verizon Wireless
Prefix: 650-794-####
City: San Bruno, CA
County: San Mateo
Company: Pacific Bell
Prefix: 650-795-####
City: La Honda, CA
County: San Mateo
Company: Mcimetro Access Transmission Services LLC
Prefix: 650-944-####
City: Mountain View, CA
County: Santa Clara
Company: Pacific Bell
Prefix: 650-946-####
City: Los Altos, CA
County: Santa Clara
Company: Comcast Phone Of California
Prefix: 650-947-####
City: Los Altos, CA
County: Santa Clara
Company: Pacific Bell
Prefix: 650-948-####
City: Los Altos, CA
County: Santa Clara
Company: Pacific Bell
Prefix: 650-949-####
City: Los Altos, CA
County: Santa Clara
Company: Pacific Bell
Prefix: 650-952-####
City: San Bruno, CA
County: San Mateo
Company: Pacific Bell
Prefix: 650-954-####
City: Brisbane, CA
County: San Mateo
Company: Sprint Spectrum L.p.
Prefix: 650-960-####
City: Mountain View, CA
County: Santa Clara
Company: Pacific Bell
Prefix: 650-961-####
City: Mountain View, CA
County: Santa Clara
Company: Pacific Bell
Prefix: 650-962-####
City: Mountain View, CA
County: Santa Clara
Company: Pacific Bell
Prefix: 650-984-####
City: Pacifica, CA
County: San Mateo
Company: O1 Communications
Prefix: 650-985-####
City: Colma, CA
County: San Mateo
Company: Pacific Bell
Prefix: 650-988-####
City: Mountain View, CA
County: Santa Clara
Company: Pacific Bell
Prefix: 650-989-####
City: Half Moon Bay, CA
County: San Mateo
Company: Broadwing Communications
Prefix: 650-991-####
City: Colma, CA
County: San Mateo
Company: Pacific Bell
Prefix: 650-992-####
City: Colma, CA
County: San Mateo
Company: Pacific Bell
Prefix: 650-993-####
City: Pacifica, CA
County: San Mateo
Company: Pacific Bell
Prefix: 650-994-####
City: Colma, CA
County: San Mateo
Company: Pacific Bell
Prefix: 650-995-####
City: Redwood City, CA
County: San Mateo
Company: Pacific Bell
Prefix: 650-996-####
City: Mountain View, CA
County: Santa Clara
Company: New Cingular Wireless PCS
Prefix: 650-997-####
City: Colma, CA
County: San Mateo
Company: Pacific Bell
Prefix: 650-999-####
City: Palo Alto, CA
County: Santa Clara
Company: Cf Communications DBA Telekenex
Prefix: 650-796-####
City: Palo Alto, CA
County: Santa Clara
Company: New Cingular Wireless PCS
Prefix: 650-798-####
City: Palo Alto, CA
County: Santa Clara
Company: Teleport Communications Group - San Francisco
Prefix: 650-799-####
City: Palo Alto, CA
County: Santa Clara
Company: New Cingular Wireless PCS
Prefix: 650-800-####
City: Palo Alto, CA
County: Santa Clara
Company: Cf Communications DBA Telekenex
Prefix: 650-801-####
City: San Carlos, CA
County: San Mateo
Company: Teleport Communications Group - San Francisco
Prefix: 650-802-####
City: San Carlos, CA
County: San Mateo
Company: Pacific Bell
Prefix: 650-804-####
City: Palo Alto, CA
County: Santa Clara
Company: New Cingular Wireless PCS
Prefix: 650-808-####
City: San Bruno, CA
County: San Mateo
Company: Pacific Bell

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