831 Area Code has 305 prefixes

PrefixPrimary CityCarrier
831-203SalinasAmerican Messaging Services, Llc
831-204MontereyYmax Communications Corp. - Ca
831-205MontereyTeleport Communications Group - San Francisco
831-206SalinasCellco Partnership Dba Verizon Wireless - Ca
831-207SalinasSprint Spectrum L.p.
831-210SalinasT-mobile Usa, Inc.
831-212OaklandSprint Spectrum L.p.
831-214SalinasNew Cingular Wireless Pcs, Llc
831-216San FranciscoTeleport Communications Group - San Francisco
831-217San FranciscoTeleport Communications Group - San Francisco
831-218San FranciscoTeleport Communications Group - San Francisco
831-219San JoseTeleport Communications Group - San Francisco
831-221SalinasO1 Communications, Inc. - Ca
831-222San FranciscoU.s. Telepacific Corp. - Ca
831-223SalinasLevel 3 Communications, Llc - Ca
831-224SalinasT-mobile Usa, Inc.
831-227FairfieldCellco Partnership Dba Verizon Wireless - Ca
831-229SalinasNew Cingular Wireless Pcs, Llc
831-232SalinasO1 Communications, Inc. - Ca
831-233SalinasLevel 3 Communications, Llc - Ca
831-234FairfieldCellco Partnership Dba Verizon Wireless - Ca
831-235SalinasCellco Partnership Dba Verizon Wireless - Ca
831-236SalinasCellco Partnership Dba Verizon Wireless - Ca
831-237SalinasO1 Communications, Inc. - Ca
831-238SalinasNew Cingular Wireless Pcs, Llc
831-239Santa ClaraNew Cingular Wireless Pcs, Llc
831-240SalinasT-mobile Usa, Inc.
831-241SalinasAt&t Local
831-242MontereyPacific Bell
831-244MontereyBandwidth.com Clec, Llc - Ca
831-245SalinasO1 Communications, Inc. - Ca
831-246FairfieldCellco Partnership Dba Verizon Wireless - Ca
831-247FairfieldCellco Partnership Dba Verizon Wireless - Ca
831-249Big SurSbc Internet Services
831-250SalinasO1 Communications, Inc. - Ca
831-251Santa ClaraNew Cingular Wireless Pcs, Llc
831-252Santa ClaraNew Cingular Wireless Pcs, Llc
831-254Santa ClaraNew Cingular Wireless Pcs, Llc
831-255San FranciscoNorth County Communications Corp. - Ca
831-261SalinasNew Cingular Wireless Pcs, Llc
831-262SalinasCellco Partnership Dba Verizon Wireless - Ca
831-263SalinasO1 Communications, Inc. - Ca
831-264SalinasO1 Communications, Inc. - Ca
831-265SalinasAt&t Corp.
831-267SalinasMpower Networks Services Inc. - Ca
831-269SalinasTeleport Communications Group - San Francisco
831-272SalinasCf Communications, Llc Dba Telekenex - Ca
831-274San JoseBroadwing Communications, Llc - Ca
831-275MontereyBandwidth.com Clec, Llc - Ca
831-277SalinasCellco Partnership Dba Verizon Wireless - Ca
831-278FairfieldCellco Partnership Dba Verizon Wireless - Ca
831-281San FranciscoAmerican Messaging Services, Llc
831-282OaklandAmerican Messaging Services, Llc
831-283SalinasAmerican Messaging Services, Llc
831-284SalinasAmerican Messaging Services, Llc
831-286SalinasAmerican Messaging Services, Llc
831-287MontereyYmax Communications Corp. - Ca
831-288San FranciscoCharter Fiberlink Ca-cco, Llc - Ca
831-290MontereyU.s. Telepacific Corp. - Ca
831-291FairfieldCellco Partnership Dba Verizon Wireless - Ca
831-293SalinasLevel 3 Telecom Of California, Lp - Ca
831-295OaklandT-mobile Usa, Inc.
831-296MontereyLevel 3 Communications, Llc - Ca
831-297SalinasT-mobile Usa, Inc.
831-298SalinasO1 Communications, Inc. - Ca
831-299SalinasLevel 3 Communications, Llc - Ca
831-302SalinasLevel 3 Communications, Llc - Ca
831-304MontereyPeerless Network Of California, Llc - Ca
831-313SalinasCharter Fiberlink Ca-cco, Llc - Ca
831-316San FranciscoAllegiance Telecom, Inc. - Ca
831-319OaklandAllegiance Telecom, Inc. - Ca
831-320SalinasCellco Partnership Dba Verizon Wireless - Ca
831-324SalinasComcast Phone Of California, Llc - Ca
831-325OaklandSprint Spectrum L.p.
831-331FairfieldNew Cingular Wireless Pcs, Llc
831-332Santa ClaraNew Cingular Wireless Pcs, Llc
831-333MontereyPacific Bell
831-334Santa ClaraNew Cingular Wireless Pcs, Llc
831-335FeltonPacific Bell
831-336Ben LomondPacific Bell
831-337San JoseMci Worldcom Communications, Inc., Ca
831-338Boulder CreekPacific Bell
831-345FairfieldCellco Partnership Dba Verizon Wireless - Ca
831-359FairfieldLevel 3 Communications, Llc - Ca
831-372MontereyPacific Bell
831-373MontereyPacific Bell
831-375MontereyPacific Bell
831-382San LucasPacific Bell
831-383SalinasMetro Pcs, Inc.
831-384MarinaPacific Bell
831-385King CityPacific Bell
831-386King CityPacific Bell
831-389PaicinesPinnacles Telephone Co.
831-392SeasidePacific Bell
831-393SeasidePacific Bell
831-394SeasidePacific Bell
831-401San JoseBroadwing Communications, Llc - Ca
831-402SalinasNew Cingular Wireless Pcs, Llc
831-406OaklandT-mobile Usa, Inc.
831-417MontereyPeerless Network Of California, Llc - Ca
831-418San FranciscoAmerican Messaging Services, Llc
831-419Santa ClaraNew Cingular Wireless Pcs, Llc
831-420Santa CruzPacific Bell
831-421Santa CruzPacific Bell
831-422SalinasPacific Bell
831-423Santa CruzPacific Bell
831-424SalinasPacific Bell
831-425Santa CruzPacific Bell
831-426Santa CruzPacific Bell
831-427Santa CruzPacific Bell
831-428OaklandSprint Spectrum L.p.
831-429Santa CruzPacific Bell
831-430Scotts ValleyPacific Bell
831-431Scotts ValleyPacific Bell
831-435San FranciscoPacific Bell
831-438Scotts ValleyPacific Bell
831-439Scotts ValleyPacific Bell
831-440Scotts ValleyPacific Bell
831-442SalinasPacific Bell
831-443SalinasPacific Bell
831-444SalinasPacific Bell
831-449SalinasPacific Bell
831-453SalinasAt&t Corp.
831-454Santa CruzPacific Bell
831-455SalinasPacific Bell
831-457Santa CruzPacific Bell
831-458Santa CruzPacific Bell
831-459Santa CruzPacific Bell
831-460Santa CruzPacific Bell
831-461Scotts ValleyPacific Bell
831-462Santa CruzPacific Bell
831-464Santa CruzPacific Bell
831-465Santa CruzPacific Bell
831-466Santa CruzPacific Bell
831-469Santa CruzPacific Bell
831-471Santa CruzPacific Bell
831-475Santa CruzPacific Bell
831-476Santa CruzPacific Bell
831-477Santa CruzPacific Bell
831-479Santa CruzPacific Bell
831-480OaklandMatrix Telecom, Llc. Sii Tnci - Ca
831-484SalinasPacific Bell
831-498San FranciscoO1 Communications, Inc. - Ca
831-502Santa CruzPacific Bell
831-508San FranciscoO1 Communications, Inc. - Ca
831-512SalinasSprint Spectrum L.p.
831-515San JoseMpower Communications Corp - Ca
831-520SalinasAmerican Messaging Services, Llc
831-521SalinasNew Cingular Wireless Pcs, Llc
831-524SalinasNew Cingular Wireless Pcs, Llc
831-525SalinasLevel 3 Communications, Llc - Ca
831-531FremontXo California, Inc.
831-532FremontXo California, Inc.
831-533FremontXo California, Inc.
831-535FremontXo California, Inc.
831-536FremontXo California, Inc.
831-537SalinasCellco Partnership Dba Verizon Wireless - Ca
831-539OaklandSprint Spectrum L.p.
831-540SalinasO1 Communications, Inc. - Ca
831-560San FranciscoAmerican Messaging Services, Llc
831-566FairfieldCellco Partnership Dba Verizon Wireless - Ca
831-574SalinasU.s. Telepacific Corp. - Ca
831-578SalinasNew Cingular Wireless Pcs, Llc
831-580SalinasO1 Communications, Inc. - Ca
831-582MarinaPacific Bell
831-583SeasidePacific Bell
831-585SalinasSprint Spectrum L.p.
831-588FairfieldCellco Partnership Dba Verizon Wireless - Ca
831-593SalinasCharter Fiberlink Ca-cco, Llc - Ca
831-594SalinasNew Cingular Wireless Pcs, Llc
831-595SalinasNew Cingular Wireless Pcs, Llc
831-596SalinasNew Cingular Wireless Pcs, Llc
831-597MontereyPeerless Network Of California, Llc - Ca
831-598SalinasAmerican Messaging Services, Llc
831-600San JoseU.s. Telepacific Corp. - Ca
831-601SalinasCellco Partnership Dba Verizon Wireless - Ca
831-603OaklandMatrix Telecom, Llc. Sii Tnci - Ca
831-609San FranciscoO1 Communications, Inc. - Ca
831-612San JoseBroadwing Communications, Llc - Ca
831-613SalinasBandwidth.com Clec, Llc - Ca
831-620CarmelPacific Bell
831-621San JoseBroadwing Communications, Llc - Ca
831-622CarmelPacific Bell
831-623San Juan BautistaPacific Bell
831-624CarmelPacific Bell
831-625CarmelPacific Bell
831-626CarmelPacific Bell
831-627San ArdoPacific Bell
831-628Tres PinosPacific Bell
831-630HollisterPacific Bell
831-632CastrovillePacific Bell
831-633CastrovillePacific Bell
831-634HollisterPacific Bell
831-635HollisterPacific Bell
831-636HollisterPacific Bell
831-637HollisterPacific Bell
831-638HollisterPacific Bell
831-641MontereyPacific Bell
831-642MontereyPacific Bell
831-643MontereyPacific Bell