650 Area Code has 575 prefixes

PrefixPrimary CityCarrier
650-200OaklandO1 Communications, Inc. - Ca
650-201OaklandSprint Spectrum L.p.
650-202San FranciscoUtility Telecom Group, Llc - Ca
650-204San FranciscoLevel 3 Telecom Of California, Lp - Ca
650-205San FranciscoUsa Mobility Wireless, Inc.
650-206San JoseMpower Communications Corp - Ca
650-207FairfieldCellco Partnership Dba Verizon Wireless - Ca
650-208FairfieldCellco Partnership Dba Verizon Wireless - Ca
650-209San JoseU.s. Telepacific Corp. - Ca
650-210Mountain ViewPacific Bell
650-212San MateoPacific Bell
650-213Palo AltoPacific Bell
650-215San FranciscoGlobal Crossing Local Services, Inc.-ca
650-216Redwood CityPacific Bell
650-217OaklandUsa Mobility Wireless, Inc.
650-218OaklandSprint Spectrum L.p.
650-219OaklandSprint Spectrum L.p.
650-220San FranciscoAmerican Messaging Services, Llc
650-221San FranciscoAmerican Messaging Services, Llc
650-222OaklandSprint Spectrum L.p.
650-223San JoseMpower Communications Corp - Ca
650-224Santa ClaraNew Cingular Wireless Pcs, Llc
650-225San BrunoPacific Bell
650-226HaywardMci Worldcom Communications, Inc., Ca
650-227FremontXo California, Inc.
650-228FremontXo California, Inc.
650-229FremontXo California, Inc.
650-230FremontXo California, Inc.
650-231FremontXo California, Inc.
650-232FremontXo California, Inc.
650-233Menlo ParkPacific Bell
650-234Menlo ParkPacific Bell
650-235HaywardBrooks Fiber Communications Of California - Ca
650-237Mountain ViewPacific Bell
650-238HaywardMci Worldcom Communications, Inc., Ca
650-239OaklandMatrix Telecom, Llc. Sii Tnci - Ca
650-240OaklandMatrix Telecom, Llc. Sii Tnci - Ca
650-241San FranciscoLevel 3 Communications, Llc - Ca
650-242San FranciscoLevel 3 Communications, Llc - Ca
650-243San JoseU.s. Telepacific Corp. - Ca
650-244San BrunoPacific Bell
650-245Santa ClaraNew Cingular Wireless Pcs, Llc
650-246San BrunoPacific Bell
650-247San FranciscoAmerican Messaging Services, Llc
650-248OaklandSprint Spectrum L.p.
650-249OaklandMatrix Telecom, Llc. Sii Tnci - Ca
650-251Palo AltoPacific Bell
650-253HaywardMci Worldcom Communications, Inc., Ca
650-254Mountain ViewPacific Bell
650-255Santa ClaraNew Cingular Wireless Pcs, Llc
650-256San FranciscoAmerican Messaging Services, Llc
650-257San FranciscoGlobal Crossing Local Services, Inc.-ca
650-259MillbraePacific Bell
650-260San FranciscoAt&t Local
650-261Redwood CityPacific Bell
650-262San FranciscoLevel 3 Communications, Llc - Ca
650-263San FranciscoMci Worldcom Communications, Inc., Ca
650-264FremontAt&t Local
650-265San FranciscoAt&t Local
650-266San BrunoPacific Bell
650-267OaklandLevel 3 Communications, Llc - Ca
650-268FremontXo California, Inc.
650-269FairfieldCellco Partnership Dba Verizon Wireless - Ca
650-270OaklandSprint Spectrum L.p.
650-271OaklandMetro Pcs, Inc.
650-272FremontXo California, Inc.
650-273San FranciscoAstound Broadband, Llc - Ca
650-274OaklandSprint Spectrum L.p.
650-275San FranciscoXo California, Inc.
650-276San FranciscoLevel 3 Telecom Of California, Lp - Ca
650-277San Francisco33 Wireless Inc.
650-278OaklandT-mobile Usa, Inc.
650-279FairfieldCellco Partnership Dba Verizon Wireless - Ca
650-280OaklandSprint Spectrum L.p.
650-281OaklandSprint Spectrum L.p.
650-282San FranciscoAstound Broadband, Llc - Ca
650-283OaklandT-mobile Usa, Inc.
650-284OaklandMatrix Telecom, Llc. Sii Tnci - Ca
650-285San FranciscoBandwidth.com Clec, Llc - Ca
650-286San MateoPacific Bell
650-287San MateoPacific Bell
650-288FairfieldLevel 3 Communications, Llc - Ca
650-289Palo AltoPacific Bell
650-290OaklandMetro Pcs, Inc.
650-291FairfieldCellco Partnership Dba Verizon Wireless - Ca
650-292San JoseBroadwing Communications, Llc - Ca
650-293San MateoPacific Bell
650-294San MateoPacific Bell
650-295San MateoPacific Bell
650-296Santa ClaraNew Cingular Wireless Pcs, Llc
650-297San FranciscoLevel 3 Telecom Of California, Lp - Ca
650-298Redwood CityPacific Bell
650-299Redwood CityPacific Bell
650-300San FranciscoCf Communications, Llc Dba Telekenex - Ca
650-301Daly CityPacific Bell
650-302Santa ClaraNew Cingular Wireless Pcs, Llc
650-303Santa ClaraNew Cingular Wireless Pcs, Llc
650-305OaklandT-mobile Usa, Inc.
650-306Redwood CityPacific Bell
650-307OaklandT-mobile Usa, Inc.
650-308Palo AltoPacific Bell
650-312San MateoPacific Bell
650-314Mountain ViewPacific Bell
650-315OaklandSprint Spectrum L.p.
650-316San FranciscoTeleport Communications Group - San Francisco
650-317OaklandUsa Mobility Wireless, Inc.
650-318Mountain ViewPacific Bell
650-319San FranciscoAllegiance Telecom, Inc. - Ca
650-320Palo AltoPacific Bell
650-321Palo AltoPacific Bell
650-322Palo AltoPacific Bell
650-323Palo AltoPacific Bell
650-324Palo AltoPacific Bell
650-325Palo AltoPacific Bell
650-326Palo AltoPacific Bell
650-327Palo AltoPacific Bell
650-328Palo AltoPacific Bell
650-329Palo AltoPacific Bell
650-330Palo AltoPacific Bell
650-331San JoseBroadwing Communications, Llc - Ca
650-332San FranciscoLevel 3 Communications, Llc - Ca
650-333OaklandSprint Spectrum L.p.
650-335Mountain ViewPacific Bell
650-336San FranciscoPacific Bell
650-337San FranciscoO1 Communications, Inc. - Ca
650-339FairfieldCellco Partnership Dba Verizon Wireless - Ca
650-340BurlingamePacific Bell
650-341San MateoPacific Bell
650-342BurlingamePacific Bell
650-343BurlingamePacific Bell
650-344BurlingamePacific Bell
650-345San MateoPacific Bell
650-346OaklandSprint Spectrum L.p.
650-347BurlingamePacific Bell
650-348BurlingamePacific Bell
650-349San MateoPacific Bell
650-350San MateoPacific Bell
650-351San FranciscoGlobal Crossing Local Services, Inc.-ca
650-352San FranciscoGlobal Crossing Local Services, Inc.-ca
650-353San FranciscoLevel 3 Communications, Llc - Ca
650-354Palo AltoPacific Bell
650-355PacificaPacific Bell
650-356San MateoPacific Bell
650-357San MateoPacific Bell
650-358San MateoPacific Bell
650-359PacificaPacific Bell
650-360OaklandMatrix Telecom, Llc. Sii Tnci - Ca
650-361Redwood CityPacific Bell
650-362San FranciscoAllegiance Telecom, Inc. - Ca
650-363Redwood CityPacific Bell
650-364Redwood CityPacific Bell
650-365Redwood CityPacific Bell
650-366Redwood CityPacific Bell
650-367Redwood CityPacific Bell
650-368Redwood CityPacific Bell
650-369Redwood CityPacific Bell
650-370San FranciscoAmerican Messaging Services, Llc
650-371San FranciscoUsa Mobility Wireless, Inc.
650-372San MateoPacific Bell
650-373BurlingamePacific Bell
650-374OaklandAmerican Messaging Services, Llc
650-375BurlingamePacific Bell
650-376San FranciscoGlobal Crossing Local Services, Inc.-ca
650-377San MateoPacific Bell
650-378San MateoPacific Bell
650-380FairfieldCellco Partnership Dba Verizon Wireless - Ca
650-381Redwood CityPacific Bell
650-383San FranciscoTeleport Communications Group - San Francisco
650-384San JoseTeleport Communications Group - San Francisco
650-385San JoseTeleport Communications Group - San Francisco
650-386San JoseTeleport Communications Group - San Francisco
650-387Santa ClaraNew Cingular Wireless Pcs, Llc
650-388FairfieldMcimetro Access Transmission Services Llc
650-389HaywardMcimetro Access Transmission Services Llc
650-390Mountain ViewPacific Bell
650-391Santa ClaraLevel 3 Telecom Of California, Lp - Ca
650-392FremontLevel 3 Telecom Of California, Lp - Ca
650-393OaklandLevel 3 Telecom Of California, Lp - Ca
650-394San FranciscoLevel 3 Telecom Of California, Lp - Ca
650-395San FranciscoLevel 3 Telecom Of California, Lp - Ca
650-396FremontT-mobile Usa, Inc.
650-397San FranciscoO1 Communications, Inc. - Ca
650-399San FranciscoO1 Communications, Inc. - Ca
650-400FairfieldCellco Partnership Dba Verizon Wireless - Ca
650-401BurlingamePacific Bell
650-406San FranciscoAmerican Messaging Services, Llc
650-408San FranciscoAmerican Messaging Services, Llc
650-409San FranciscoU.s. Telepacific Corp. - Ca
650-412San FranciscoAllegiance Telecom, Inc. - Ca
650-413San CarlosPacific Bell
650-416San JoseMpower Communications Corp - Ca
650-417San JoseU.s. Telepacific Corp. - Ca
650-419San FranciscoLevel 3 Communications, Llc - Ca
650-421San JoseU.s. Telepacific Corp. - Ca
650-422FairfieldCellco Partnership Dba Verizon Wireless - Ca
650-423OaklandMatrix Telecom, Llc. Sii Tnci - Ca
650-424Palo AltoPacific Bell
650-425HaywardMcimetro Access Transmission Services Llc
650-426HaywardMcimetro Access Transmission Services Llc
650-427HaywardMci Worldcom Communications, Inc., Ca