858 Area Code has 379 prefixes

PrefixPrimary CityCarrier
858-200San DiegoU.s. Telepacific Corp. - Ca
858-201San DiegoLevel 3 Communications, Llc - Ca
858-202San DiegoPacific Bell
858-204VistaCellco Partnership Dba Verizon Wireless - Ca
858-205EscondidoT-mobile Usa, Inc.
858-206San DiegoYmax Communications Corp. - Ca
858-207San DiegoTeleport Communications America, Llc - Ca
858-208San DiegoO1 Communications, Inc. - Ca
858-210VistaCellco Partnership Dba Verizon Wireless - Ca
858-212San DiegoSprint Spectrum L.p.
858-213San DiegoSprint Spectrum L.p.
858-215San DiegoPacific Bell
858-216San DiegoU.s. Telepacific Corp. - Ca
858-217San DiegoU.s. Telepacific Corp. - Ca
858-218San DiegoU.s. Telepacific Corp. - Ca
858-219San DiegoAmerican Messaging Services, Llc
858-220San DiegoSprint Spectrum L.p.
858-222San DiegoYmax Communications Corp. - Ca
858-223San DiegoNeutral Tandem-california, Llc - Ca
858-224San DiegoCbeyond Communications, Llc - Ca
858-225San DiegoMatrix Telecom, Llc. Sii Tnci - Ca
858-227San DiegoXo California, Inc.
858-228San DiegoXo California, Inc.
858-229VistaCellco Partnership Dba Verizon Wireless - Ca
858-230San DiegoAt&t Corp.
858-231EscondidoT-mobile Usa, Inc.
858-232San DiegoNew Cingular Wireless Pcs, Llc
858-233San DiegoNorth County Communications Corp. - Ca
858-234San DiegoNorth County Communications Corp. - Ca
858-236San DiegoNorth County Communications Corp. - Ca
858-237San DiegoNorth County Communications Corp. - Ca
858-240San DiegoLevel 3 Telecom Of California, Lp - Ca
858-242VistaNew Cingular Wireless Pcs, Llc
858-243VistaCellco Partnership Dba Verizon Wireless - Ca
858-244San DiegoXo California, Inc.
858-245VistaCellco Partnership Dba Verizon Wireless - Ca
858-246San DiegoLevel 3 Telecom Of California, Lp - Ca
858-248VistaCellco Partnership Dba Verizon Wireless - Ca
858-249San DiegoNew Cingular Wireless Pcs, Llc
858-251San DiegoPeerless Network Of California, Llc - Ca
858-254San DiegoSprint Spectrum L.p.
858-255San DiegoTeleport Communications America, Llc - Ca
858-256San DiegoCox California Telcom, Llc - Ca
858-259Del MarPacific Bell
858-260VistaT-mobile Usa, Inc.
858-263San DiegoTime Warner Cbl Info Svcs (ca) Dba Time Warner Cab
858-266San DiegoPacific Bell
858-268San DiegoPacific Bell
858-270San DiegoPacific Bell
858-271San DiegoPacific Bell
858-272San DiegoPacific Bell
858-273San DiegoPacific Bell
858-274San DiegoPacific Bell
858-275VistaCellco Partnership Dba Verizon Wireless - Ca
858-277San DiegoPacific Bell
858-278San DiegoPacific Bell
858-279San DiegoPacific Bell
858-281San DiegoLevel 3 Communications, Llc - Ca
858-284San DiegoBandwidth.com Clec, Llc - Ca
858-292San DiegoPacific Bell
858-297San DiegoNorth County Communications Corp. - Ca
858-300San DiegoU.s. Telepacific Corp. - Ca
858-304San DiegoAt&t Local
858-309San DiegoLevel 3 Telecom Of California, Lp - Ca
858-312El CajonCox California Telcom, Llc - Ca
858-314San DiegoTeleport Communications America, Llc - Ca
858-320San DiegoPacific Bell
858-324San DiegoTeleport Communications America, Llc - Ca
858-332San DiegoLevel 3 Telecom Of California, Lp - Ca
858-333San DiegoTelcentris Communications, Llc - Ca
858-334San DiegoPacific Bell
858-335San DiegoNew Cingular Wireless Pcs, Llc
858-336San DiegoNew Cingular Wireless Pcs, Llc
858-337San DiegoNew Cingular Wireless Pcs, Llc
858-342San DiegoNew Cingular Wireless Pcs, Llc
858-344San DiegoNew Cingular Wireless Pcs, Llc
858-345San DiegoCox California Telcom, Llc - Ca
858-346San DiegoGlobal Crossing Local Services, Inc.-ca
858-347San DiegoUsa Mobility Wireless, Inc.
858-348San DiegoXo California, Inc.
858-349San DiegoNew Cingular Wireless Pcs, Llc
858-350Del MarPacific Bell
858-352San DiegoMci Worldcom Communications, Inc., Ca
858-353San DiegoNew Cingular Wireless Pcs, Llc
858-354VistaCellco Partnership Dba Verizon Wireless - Ca
858-356San DiegoMpower Communications Corp - Ca
858-357VistaLevel 3 Telecom Of California, Lp - Ca
858-359San DiegoAmerican Messaging Services, Llc
858-360San DiegoPacific Bell
858-361San DiegoNew Cingular Wireless Pcs, Llc
858-362San DiegoXo California, Inc.
858-365San DiegoO1 Communications, Inc. - Ca
858-366San DiegoXo California, Inc.
858-367San DiegoO1 Communications, Inc. - Ca
858-368San DiegoO1 Communications, Inc. - Ca
858-369San DiegoAt&t Local
858-371San DiegoCox California Telcom, Llc - Ca
858-373San DiegoXo California, Inc.
858-375San DiegoMpower Communications Corp - Ca
858-376San DiegoMpower Communications Corp - Ca
858-380EscondidoLevel 3 Telecom Of California, Lp - Ca
858-381San DiegoTeleport Communications America, Llc - Ca
858-382San DiegoNew Cingular Wireless Pcs, Llc
858-384San DiegoGlobal Crossing Local Services, Inc.-ca
858-385San DiegoPacific Bell
858-386San DiegoLevel 3 Telecom Of California, Lp - Ca
858-391PowayPacific Bell
858-395VistaCellco Partnership Dba Verizon Wireless - Ca
858-397San DiegoCox California Telcom, Llc - Ca
858-400San DiegoU.s. Telepacific Corp. - Ca
858-401San DiegoTeleport Communications America, Llc - Ca
858-404San DiegoPacific Bell
858-405EscondidoT-mobile Usa, Inc.
858-408San DiegoXo California, Inc.
858-410San DiegoMci Worldcom Communications, Inc., Ca
858-412San DiegoTime Warner Cbl Info Svcs (ca) Dba Time Warner Cab
858-413San DiegoMpower Communications Corp - Ca
858-414VistaCellco Partnership Dba Verizon Wireless - Ca
858-427San DiegoPaetec Communications, Inc. - Ca
858-428San DiegoMatrix Telecom, Llc. Sii Tnci - Ca
858-429San DiegoO1 Communications, Inc. - Ca
858-430San DiegoXo California, Inc.
858-431San DiegoAt&t Local
858-432San DiegoMpower Communications Corp - Ca
858-433San DiegoPaetec Communications, Inc. - Ca
858-434San DiegoXo California, Inc.
858-435San DiegoPaetec Communications, Inc. - Ca
858-436San DiegoU.s. Telepacific Corp. - Ca
858-437VistaPacific Bell
858-442VistaCellco Partnership Dba Verizon Wireless - Ca
858-444San DiegoU.s. Telepacific Corp. - Ca
858-449VistaCellco Partnership Dba Verizon Wireless - Ca
858-450San DiegoPacific Bell
858-451San DiegoPacific Bell
858-452San DiegoPacific Bell
858-453San DiegoPacific Bell
858-454La JollaPacific Bell
858-455San DiegoPacific Bell
858-456La JollaPacific Bell
858-457San DiegoPacific Bell
858-458San DiegoPacific Bell
858-459La JollaPacific Bell
858-461San DiegoLevel 3 Communications, Llc - Ca
858-465San DiegoLevel 3 Communications, Llc - Ca
858-467San DiegoPacific Bell
858-472VistaCellco Partnership Dba Verizon Wireless - Ca
858-480San DiegoLevel 3 Telecom Of California, Lp - Ca
858-481Del MarPacific Bell
858-483San DiegoPacific Bell
858-484San DiegoPacific Bell
858-485San DiegoPacific Bell
858-486PowayPacific Bell
858-487San DiegoPacific Bell
858-488San DiegoPacific Bell
858-490San DiegoPacific Bell
858-492San DiegoPacific Bell
858-493San DiegoAmerican Messaging Services, Llc
858-494San DiegoAmerican Messaging Services, Llc
858-495San DiegoPacific Bell
858-496San DiegoPacific Bell
858-499San DiegoPacific Bell
858-500San DiegoCf Communications, Llc Dba Telekenex - Ca
858-502San DiegoPacific Bell
858-503San DiegoPacific Bell
858-504EscondidoT-mobile Usa, Inc.
858-505San DiegoPacific Bell
858-509Del MarPacific Bell
858-513PowayPacific Bell
858-514San DiegoPacific Bell
858-518San DiegoSprint Spectrum L.p.
858-519San DiegoMpower Communications Corp - Ca
858-521San DiegoPacific Bell
858-522San DiegoPacific Bell
858-523Del MarPacific Bell
858-524San DiegoPacific Bell
858-525San DiegoPacific Bell
858-526San DiegoPacific Bell
858-527San DiegoPacific Bell
858-529San DiegoCf Communications, Llc Dba Telekenex - Ca
858-530San DiegoPacific Bell
858-531San DiegoNew Cingular Wireless Pcs, Llc
858-534San DiegoPacific Bell
858-535San DiegoPacific Bell
858-536San DiegoPacific Bell
858-537San DiegoPacific Bell
858-538San DiegoPacific Bell
858-539San DiegoPacific Bell
858-541San DiegoPacific Bell
858-546San DiegoPacific Bell
858-547San DiegoPacific Bell
858-549San DiegoPacific Bell
858-550San DiegoPacific Bell
858-551La JollaPacific Bell
858-552San DiegoPacific Bell
858-554San DiegoPacific Bell
858-558San DiegoPacific Bell
858-560San DiegoPacific Bell
858-564San DiegoMpower Communications Corp - Ca
858-565San DiegoPacific Bell
858-566San DiegoPacific Bell