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Information for area code 858

Phone numbers in area code 858 cover these cities in CA:

Carlsbad, Del Mar, La Jolla, Poway, Rancho Santa Fe, Rcho Santa Fe, Solana Beach, Ucsb, Ucsd, Pacific Beach, San Diego, Rancho Bernardo, Mcrd San Diego, V A Hosp, San Diego Gas And Electric, San Diego Water Utilities

The 858 area code covers these zip codes in CA:

92013, 92014, 92037, 92038, 92039, 92064, 92067, 92074, 92075, 92091, 92092, 92093, 92109, 92111, 92117, 92121, 92122, 92123, 92124, 92126, 92127, 92128, 92129, 92130, 92131, 92140, 92161, 92169, 92171, 92172, 92177, 92184, 92187, 92191, 92192, 92196, 92197, 92198, 92199

Rate centers:

LA JOLLA , SNDG MRMS , POWAY , DEL MAR , RNCHOBRNDO , RNCHOPNQTS , SNDG LVTA , RNCHOSANFE , SNDG0290T

Companies:

U.S. TELEPACIFIC CORP. , PAETEC COMMUNICATIONS, INC. , NEW CINGULAR WIRELESS PCS, LLC , MCI WORLDCOM COMMUNICATIONS, INC., CA , LEVEL 3 COMMUNICATIONS, LLC , NEXTEL COMMUNICATIONS, INC. , CBEYOND COMMUNICATIONS, LLC , T-MOBILE USA, INC. , PACIFIC BELL , COX CALIFORNIA TELCOM, INC. , CELLCO PARTNERSHIP DBA VERIZON WIRELESS , YMAX COMMUNICATIONS CORP. , TELEPORT COMMUNICATIONS GROUP - SAN DIEGO , O1 COMMUNICATIONS, INC. , BANDWIDTH.COM CLEC, LLC , XO CALIFORNIA, INC. , PAC - WEST TELECOMM, INC. , SPRINT SPECTRUM L.P. , LEAP WIRELESS INTL, INC. DBA CRICKET COMM, INC. , PACIFIC CENTREX SERVICES, INC. , SPRINT COMMUNICATIONS COMPANY, L.P. , AMERICAN MESSAGING SERVICES, LLC , TW TELECOM OF CALIFORNIA LP , TELCENTRIS COMMUNICATIONS, LLC , SBC INTERNET SERVICES, INC. , NORTH COUNTY COMMUNICATIONS CORP. , INFOTELECOM, LLC , GLOBAL CROSSING LOCAL SERVICES, INC. , AT&T LOCAL , TELSCAPE COMMUNICATONS, INC. , USA MOBILITY WIRELESS, INC. , MPOWER COMMUNICATIONS CORP , COOK TELECOM, INC. , ALLEGIANCE TELECOM, INC. , 360NETWORKS (USA) INC. , TCAST COMMUNICATIONS, INC. , UTILITY TELEPHONE, INC. , AMERICAN MESSAGING (AM), INC. , CF COMMUNICATIONS, LLC DBA TELEKENEX , VAYA TELECOM, INC. , NETWORK SERVICES LLC (TSR)

List of 858 Area-Code Phone Number Prefixes