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Area Codes > 510 > Central Office Codes

Exchange Rate Center State Operating Company
510-776 RICHMOND CA METRO PCS, INC.
510-777 OKLD TRNID CA PACIFIC BELL
510-778 RICHMOND CA COMCAST PHONE OF CALIFORNIA, LLC - CA
510-779 ELSBR-PINL CA BROADWING COMMUNICATINS. LLC - CA
510-780 HAYWARD CA PACIFIC BELL
510-781 HAYWARD CA PACIFIC BELL
510-782 HAYWARD CA PACIFIC BELL
510-783 HAYWARD CA PACIFIC BELL
510-784 HAYWARD CA PACIFIC BELL
510-785 HAYWARD CA PACIFIC BELL
510-786 HAYWARD CA PACIFIC BELL
510-787 CROCKETT CA PACIFIC BELL
510-788 OKLD MN-PD CA MCIMETRO, ATS, INC.
510-789 FRNK MAIN CA MCI WORLDCOM COMMUNICATIONS, INC., CA
510-790 FRNK MAIN CA PACIFIC BELL
510-791 FRNK MAIN CA PACIFIC BELL
510-792 FRNK MAIN CA PACIFIC BELL
510-793 FRNK MAIN CA PACIFIC BELL
510-794 FRNK MAIN CA PACIFIC BELL
510-795 FRNK MAIN CA PACIFIC BELL
510-796 FRNK MAIN CA PACIFIC BELL
510-797 FRNK MAIN CA PACIFIC BELL
510-798 OKLD TRNID CA SPRINT SPECTRUM L.P.
510-799 HRCUL-RODE CA PACIFIC BELL
510-801 OKLD MN-PD CA ARCH WIRELESS HOLDINGS, INC.
510-802 OKLD MN-PD CA ARCH WIRELESS HOLDINGS, INC.
510-803 HRCUL-RODE CA XO CALIFORNIA, INC.
510-804 OKLD TRNID CA NETWORK SERVICES LLC
510-805 OKLD MN-PD CA ARCH WIRELESS HOLDINGS, INC.
510-807 OKLD MN-PD CA ARCH WIRELESS HOLDINGS, INC.
510-808 OKLD MN-PD CA PACIFIC BELL
510-809 OKLD BKLY CA U.S. TELEPACIFIC CORP. - CA
510-810 OKLD BKLY CA ARCH WIRELESS HOLDINGS, INC.
510-811 CA
510-812 OKLD BKLY CA NEXTEL COMMUNICATIONS, INC.
510-813 OKLD MN-PD CA BLUE LICENSES HOLDING, LLC
510-814 OKLD ALMD CA PACIFIC BELL
510-815 ELSBR-PINL CA NEXTEL COMMUNICATIONS, INC.
510-816 OKLD MN-PD CA BLUE LICENSES HOLDING, LLC
510-817 OKLD MN-PD CA PACIFIC BELL
510-818 FRNK MAIN CA PACIFIC BELL
510-819 OKLD MN-PD CA NETWORK SERVICES LLC
510-821 OKLD MN-PD CA CELLCO PARTNERSHIP DBA VERIZON WIRELESS - CA
510-823 OKLD MN-PD CA SPRINT SPECTRUM L.P.
510-824 FRNK OLIVR CA ALLEGIANCE TELECOM, INC. - CA
510-825 HAYWARD CA SPRINT SPECTRUM L.P.
510-827 OKLD MN-PD CA METRO PCS, INC.
510-828 HAYWARD CA CELLCO PARTNERSHIP DBA VERIZON WIRELESS - CA
510-830 OKLD MN-PD CA 01 COMMUNICATIONS, INC. - CA
510-832 OKLD MN-PD CA PACIFIC BELL
510-834 OKLD MN-PD CA PACIFIC BELL
510-835 OKLD MN-PD CA PACIFIC BELL
510-836 OKLD MN-PD CA PACIFIC BELL
510-837 RICHMOND CA TELEPORT COMMUNICATIONS GROUP - SAN FRANCISCO
510-839 OKLD MN-PD CA PACIFIC BELL
510-840 OKLD MN-PD CA AMERICAN MESSAGING (AM), INC.
510-841 OKLD BKLY CA PACIFIC BELL
510-842 OKLD FRTVL CA ALLEGIANCE TELECOM, INC. - CA
510-843 OKLD BKLY CA PACIFIC BELL
510-844 OKLD MN-PD CA ALLEGIANCE TELECOM, INC. - CA
510-845 OKLD BKLY CA PACIFIC BELL
510-846 OKLD ALMD CA CELLCO PARTNERSHIP DBA VERIZON WIRELESS - CA
510-847 OKLD BKLY CA CELLCO PARTNERSHIP DBA VERIZON WIRELESS - CA
510-848 OKLD BKLY CA PACIFIC BELL
510-849 OKLD BKLY CA PACIFIC BELL
510-851 OKLD MN-PD CA CELLCO PARTNERSHIP DBA VERIZON WIRELESS - CA
510-852 OKLD MN-PD CA CELLCO PARTNERSHIP DBA VERIZON WIRELESS - CA
510-853 OKLD MN-PD CA CELLCO PARTNERSHIP DBA VERIZON WIRELESS - CA
510-854 ELSBR-PINL CA 01 COMMUNICATIONS, INC. - CA
510-855 OKLD MN-PD CA THE TELEPHONE CONNECTION OF LOS ANGELES, INC.
510-856 HAYWARD CA ALLEGIANCE TELECOM, INC. - CA
510-857 FRNK MAIN CA ALLEGIANCE TELECOM, INC. - CA
510-858 OKLD MN-PD CA SPRINT SPECTRUM L.P.
510-859 OKLD BKLY CA MPOWER COMMUNICATIONS CORP. - CA
510-860 RICHMOND CA LEVEL 3 COMMUNICATIONS, LLC - CA
510-861 HAYWARD CA BLUE LICENSES HOLDING, LLC
510-862 HAYWARD CA BLUE LICENSES HOLDING, LLC
510-863 OKLD ALMD CA MCIMETRO, ATS, INC.
510-864 OKLD ALMD CA PACIFIC BELL
510-865 OKLD ALMD CA PACIFIC BELL
510-866 OKLD FRTVL CA SPRINT SPECTRUM L.P.
510-867 OKLD MN-PD CA NEXTEL COMMUNICATIONS, INC.
510-868 OKLD BKLY CA BROADWING COMMUNICATINS. LLC - CA
510-869 OKLD MN-PD CA PACIFIC BELL
510-870 FRNK GRNLF CA BROADWING COMMUNICATINS. LLC - CA
510-872 OKLD ALMD CA SPRINT SPECTRUM L.P.
510-873 OKLD MN-PD CA PACIFIC BELL
510-874 OKLD MN-PD CA PACIFIC BELL
510-875 OKLD TRNID CA XO CALIFORNIA, INC.
510-877 OKLD TRNID CA MCI WORLDCOM COMMUNICATIONS, INC., CA
510-878 OKLD TRNID CA COMCAST PHONE OF CALIFORNIA, LLC - CA
510-879 OKLD MN-PD CA TELEPORT COMMUNICATIONS GROUP - SAN FRANCISCO
510-880 HAYWARD CA PAC - WEST TELECOMM, INC.
510-881 HAYWARD CA PACIFIC BELL
510-882 OKLD MN-PD CA CELLCO PARTNERSHIP DBA VERIZON WIRELESS - CA
510-883 OKLD BKLY CA PACIFIC BELL
510-884 HAYWARD CA PACIFIC BELL
510-885 HAYWARD CA PACIFIC BELL
510-886 HAYWARD CA PACIFIC BELL
510-887 HAYWARD CA PACIFIC BELL