510 Area Code has 685 prefixes

PrefixPrimary CityCarrier
510-869OaklandPacific Bell
510-870San JoseBroadwing Communications, Llc - Ca
510-872OaklandSprint Spectrum L.p.
510-873OaklandPacific Bell
510-874OaklandPacific Bell
510-875OaklandXo California, Inc.
510-876PleasantonAt&t Corp.
510-877HaywardMci Worldcom Communications, Inc., Ca
510-878OaklandComcast Phone Of California, Llc - Ca
510-879San FranciscoTeleport Communications Group - San Francisco
510-880OaklandMatrix Telecom, Llc. Sii Tnci - Ca
510-881HaywardPacific Bell
510-882PleasantonCellco Partnership Dba Verizon Wireless - Ca
510-883BerkeleyPacific Bell
510-884HaywardPacific Bell
510-885HaywardPacific Bell
510-886HaywardPacific Bell
510-887HaywardPacific Bell
510-888HaywardPacific Bell
510-889HaywardPacific Bell
510-891OaklandPacific Bell
510-892OaklandMatrix Telecom, Llc. Sii Tnci - Ca
510-893OaklandPacific Bell
510-894OaklandComcast Phone Of California, Llc - Ca
510-895San LeandroPacific Bell
510-896San FranciscoTeleport Communications Group - San Francisco
510-897San FranciscoTeleport Communications Group - San Francisco
510-898San FranciscoTeleport Communications Group - San Francisco
510-899OaklandMatrix Telecom, Llc. Sii Tnci - Ca
510-900San FranciscoCf Communications, Llc Dba Telekenex - Ca
510-903San JoseBroadwing Communications, Llc - Ca
510-904San JoseBroadwing Communications, Llc - Ca
510-907PleasantonCellco Partnership Dba Verizon Wireless - Ca
510-908PleasantonCellco Partnership Dba Verizon Wireless - Ca
510-909PleasantonCellco Partnership Dba Verizon Wireless - Ca
510-910PleasantonCellco Partnership Dba Verizon Wireless - Ca
510-912PleasantonCellco Partnership Dba Verizon Wireless - Ca
510-913PleasantonCellco Partnership Dba Verizon Wireless - Ca
510-914PleasantonCellco Partnership Dba Verizon Wireless - Ca
510-915PleasantonCellco Partnership Dba Verizon Wireless - Ca
510-917PleasantonCellco Partnership Dba Verizon Wireless - Ca
510-918San FranciscoNew Cingular Wireless Pcs, Llc
510-919PleasantonCellco Partnership Dba Verizon Wireless - Ca
510-921OaklandTeleport Communications Group - San Francisco
510-922OaklandPacific Bell
510-923OaklandPacific Bell
510-924OaklandGlobal Crossing Local Services, Inc.-ca
510-926PleasantonCellco Partnership Dba Verizon Wireless - Ca
510-927OaklandGlobal Crossing Local Services, Inc.-ca
510-928San FranciscoNew Cingular Wireless Pcs, Llc
510-931San FranciscoO1 Communications, Inc. - Ca
510-932OaklandSprint Spectrum L.p.
510-933San JoseU.s. Telepacific Corp. - Ca
510-935Santa ClaraNew Cingular Wireless Pcs, Llc
510-936San FranciscoPacific Bell
510-938OaklandMetro Pcs, Inc.
510-940San JoseMpower Communications Corp - Ca
510-943OaklandLevel 3 Telecom Of California, Lp - Ca
510-948San FranciscoXo California, Inc.
510-952FremontSprint Spectrum L.p.
510-957San FranciscoAllegiance Telecom, Inc. - Ca
510-962San FranciscoLevel 3 Communications, Llc - Ca
510-964HerculesPacific Bell
510-965RichmondPacific Bell
510-966San FranciscoAmerican Messaging Services, Llc
510-967OaklandSprint Spectrum L.p.
510-968San FranciscoAmerican Messaging Services, Llc
510-969San FranciscoLevel 3 Telecom Of California, Lp - Ca
510-970RichmondPacific Bell
510-972San FranciscoComcast Phone Of California, Llc - Ca
510-978OaklandLevel 3 Communications, Llc - Ca
510-979FremontPacific Bell
510-981BerkeleyPacific Bell
510-982HaywardMci Worldcom Communications, Inc., Ca
510-984San FranciscoLevel 3 Communications, Llc - Ca
510-985OaklandPacific Bell
510-986OaklandPacific Bell
510-987OaklandPacific Bell
510-990OaklandCf Communications, Llc Dba Telekenex - Ca
510-991OaklandMatrix Telecom, Llc. Sii Tnci - Ca
510-992OaklandMatrix Telecom, Llc. Sii Tnci - Ca
510-995San JoseU.s. Telepacific Corp. - Ca
510-996OaklandGlobal Crossing Local Services, Inc.-ca
510-997San FranciscoAmerican Messaging Services, Llc
510-999San FranciscoCf Communications, Llc Dba Telekenex - Ca