831 Area Code has 305 prefixes

PrefixPrimary CityCarrier
831-644MontereyPacific Bell
831-645MontereyPacific Bell
831-646MontereyPacific Bell
831-647MontereyPacific Bell
831-648MontereyPacific Bell
831-649MontereyPacific Bell
831-652SalinasLevel 3 Communications, Llc - Ca
831-653SalinasO1 Communications, Inc. - Ca
831-655MontereyPacific Bell
831-656MontereyPacific Bell
831-657MontereyPacific Bell
831-658MontereyPacific Bell
831-659Carmel ValleyPacific Bell
831-661AptosPacific Bell
831-662AptosPacific Bell
831-663SalinasPacific Bell
831-664SalinasLevel 3 Communications, Llc - Ca
831-665SalinasLevel 3 Communications, Llc - Ca
831-667Big SurPacific Bell
831-673SalinasNew Cingular Wireless Pcs, Llc
831-674GreenfieldPacific Bell
831-675GonzalesPacific Bell
831-676SalinasAt&t Local
831-678SoledadPacific Bell
831-679ChualarPacific Bell
831-682SalinasCellco Partnership Dba Verizon Wireless - Ca
831-684AptosPacific Bell
831-685AptosPacific Bell
831-687AptosPacific Bell
831-688AptosPacific Bell
831-689AptosPacific Bell
831-693PaicinesPinnacles Telephone Co.
831-703San FranciscoLevel 3 Telecom Of California, Lp - Ca
831-704San FranciscoNeutral Tandem-california, Llc - Ca
831-706FairfieldLevel 3 Telecom Of California, Lp - Ca
831-707OaklandLevel 3 Telecom Of California, Lp - Ca
831-708San FranciscoO1 Communications, Inc. - Ca
831-709San FranciscoLevel 3 Communications, Llc - Ca
831-710SalinasNew Cingular Wireless Pcs, Llc
831-713FairfieldO1 Communications, Inc. - Ca
831-717SalinasCellco Partnership Dba Verizon Wireless - Ca
831-718SalinasMci Worldcom Communications, Inc., Ca
831-722WatsonvillePacific Bell
831-724WatsonvillePacific Bell
831-726AromasPacific Bell
831-728WatsonvillePacific Bell
831-731SalinasO1 Communications, Inc. - Ca
831-737SalinasU.s. Telepacific Corp. - Ca
831-740San FranciscoTeleport Communications Group - San Francisco
831-741SalinasLevel 3 Communications, Llc - Ca
831-744SalinasCellco Partnership Dba Verizon Wireless - Ca
831-747SalinasAt&t Corp.
831-750OaklandSprint Spectrum L.p.
831-751SalinasPacific Bell
831-753SalinasPacific Bell
831-754SalinasPacific Bell
831-755SalinasPacific Bell
831-756SalinasUtility Telecom Group, Llc - Ca
831-757SalinasPacific Bell
831-758SalinasPacific Bell
831-759SalinasPacific Bell
831-760SalinasSprint Spectrum L.p.
831-761WatsonvillePacific Bell
831-763WatsonvillePacific Bell
831-768WatsonvillePacific Bell
831-769SalinasPacific Bell
831-770SalinasPacific Bell
831-771SalinasPacific Bell
831-772SalinasPacific Bell
831-774SalinasMpower Communications Corp - Ca
831-775SalinasPacific Bell
831-776SalinasSprint Spectrum L.p.
831-778SalinasLevel 3 Communications, Llc - Ca
831-783SalinasPacific Bell
831-784SalinasPacific Bell
831-785SalinasMetro Pcs, Inc.
831-786WatsonvillePacific Bell
831-789SalinasMatrix Telecom, Llc. Sii Tnci - Ca
831-794SalinasMetro Pcs, Inc.
831-796SalinasPacific Bell
831-800SalinasVaya Telecom, Inc. - Ca
831-801SalinasCellco Partnership Dba Verizon Wireless - Ca
831-809SalinasCellco Partnership Dba Verizon Wireless - Ca
831-818FairfieldCellco Partnership Dba Verizon Wireless - Ca
831-821SalinasCellco Partnership Dba Verizon Wireless - Ca
831-824San FranciscoTeleport Communications Group - San Francisco
831-840Santa ClaraNew Cingular Wireless Pcs, Llc
831-851San FranciscoNeutral Tandem-california, Llc - Ca
831-854OaklandMatrix Telecom, Llc. Sii Tnci - Ca
831-855MontereyPeerless Network Of California, Llc - Ca
831-856SalinasO1 Communications, Inc. - Ca
831-869SalinasSprint Spectrum L.p.
831-883MarinaPacific Bell
831-884MarinaPacific Bell
831-886SalinasLevel 3 Communications, Llc - Ca
831-899SeasidePacific Bell
831-901SalinasSprint Spectrum L.p.
831-902SalinasSprint Spectrum L.p.
831-905SalinasNew Cingular Wireless Pcs, Llc
831-915SalinasNew Cingular Wireless Pcs, Llc
831-917SalinasNew Cingular Wireless Pcs, Llc
831-920SalinasLevel 3 Communications, Llc - Ca
831-970SalinasSprint Spectrum L.p.
831-975SalinasComcast Phone Of California, Llc - Ca
831-998SalinasMci Worldcom Communications, Inc., Ca