Area Code — 510

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Phone numbers in area code 510 cover the cities of Los Angeles, Alameda, Alameda Pt, Crockett, El Cerrito, Fremont, Hayward, Castro Valley, Hercules, Rodeo, Mount Eden, Newark, Pinole, Port Costa, San Leandro, San Lorenzo, Union City, Oakland, Piedmont, Emeryville, Piedmontxxx, Philatelic Center, Oakland Intrntl Service Ctr, Ebmud, Blue Cross, Safeway Stores, Kaiser Services, Berkeley, Albany, Kensington, U C Berkeley, Uc Berkeley, N Richmond, North Richmond, Point Richmond, Pt Richmond, Richmond, El Sobrante, San Pablo, Hilltop Mall, Tara Hills in CA

The 510 area code covers the zip codes 90054, 94501, 94502, 94525, 94530, 94536, 94537, 94538, 94539, 94540, 94541, 94542, 94543, 94544, 94545, 94546, 94547, 94552, 94555, 94557, 94560, 94564, 94569, 94572, 94577, 94578, 94579, 94580, 94587, 94601, 94602, 94603, 94604, 94605, 94606, 94607, 94608, 94609, 94610, 94611, 94612, 94613, 94614, 94615, 94617, 94618, 94619, 94620, 94621, 94622, 94623, 94624, 94649, 94659, 94660, 94661, 94662, 94666, 94701, 94702, 94703, 94704, 94705, 94706, 94707, 94708, 94709, 94710, 94712, 94720, 94801, 94802, 94803, 94804, 94805, 94806, 94807, 94808, 94820, 94850 in CA

Rate centers: HAYWARD, OKLD MN-PD, OKLD BKLY, OKLD ALMD, FRNK OLIVR, OKLD FRTVL, RICHMOND, FRNK MAIN, ELSBR-PINL, HRCUL-RODE, FRNK GRNLF, CROCKETT, OKLD TRNID, OKLD0349T

Companies: METRO PCS, INC., LEVEL 3 COMMUNICATIONS, LLC, YMAX COMMUNICATIONS CORP., T-MOBILE USA, INC., CREATIVE INTERCONNECT COMMUNICATIONS, LLC, BANDWIDTH.COM CLEC, LLC, COMCAST PHONE OF CALIFORNIA, LLC , PEERLESS NETWORK OF CALIFORNIA, LLC, AMERICAN MESSAGING (AM), INC., PACIFIC BELL, SPRINT SPECTRUM L.P., NEW CINGULAR WIRELESS PCS, LLC, USA MOBILITY WIRELESS, INC., CF COMMUNICATIONS, LLC DBA TELEKENEX, MCI WORLDCOM COMMUNICATIONS, INC., CA, O1 COMMUNICATIONS, INC., TELEPORT COMMUNICATIONS GROUP - SAN FRANCISCO, U.S. TELEPACIFIC CORP., XO CALIFORNIA, INC., NEXTEL COMMUNICATIONS, INC., 360NETWORKS (USA) INC., ALLEGIANCE TELECOM, INC., CELLCO PARTNERSHIP DBA VERIZON WIRELESS, TW TELECOM OF CALIFORNIA LP, PAETEC COMMUNICATIONS, INC., CBEYOND COMMUNICATIONS, LLC, PAC - WEST TELECOMM, INC., MPOWER COMMUNICATIONS CORP, AT&T LOCAL, AMERICAN MESSAGING SERVICES, LLC, BROADWING COMMUNICATIONS, LLC, SBC INTERNET SERVICES, INC., PACIFIC CENTREX SERVICES, INC., BROOKS FIBER COMMUNICATIONS OF CALIFORNIA, UTILITY TELEPHONE, INC., GLOBAL CROSSING LOCAL SERVICES, INC., COOK TELECOM, INC., MCIMETRO ACCESS TRANSMISSION SERVICES LLC, 33 WIRELESS INC., NORTH COUNTY COMMUNICATIONS CORP., THE TELEPHONE CONNECTION LOCAL SERVICES, LLC, INFOTELECOM, LLC

List of 510 Area-Code Phone Number Prefixes

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