Local Calling Guide

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NPA: 510 [Rate centres in NPA 510] [Dial plan for NPA 510]

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NPA-NXX BLOCK Rate Centre Region Switch OCN LATA LIR Eff date Disc date
510-721 2 Oakland: Main-Piedmont DA CA SNFCCAMKDS3  649C ONVOY, LLC - CA 722   2022-01-17   
510-721 3 Oakland: Main-Piedmont DA CA SNFCCAMKDS3  649C ONVOY, LLC - CA 722   2022-01-17   
510-721 4 Oakland: Main-Piedmont DA CA SNFCCAMKDS3  649C ONVOY, LLC - CA 722   2022-01-17   
510-721 5 Oakland: Main-Piedmont DA CA SNFCCAMKDS3  649C ONVOY, LLC - CA 722   2022-01-17   
510-721 6 Oakland: Main-Piedmont DA CA SNFCCAMKDS3  649C ONVOY, LLC - CA 722   2022-01-17   
510-721 7 Oakland: Main-Piedmont DA CA SNFCCAMKDS3  649C ONVOY, LLC - CA 722   2022-01-17   
510-721 8 Oakland: Main-Piedmont DA CA SNFCCAMKDS3  649C ONVOY, LLC - CA 722   2022-01-17   
510-721 9 Oakland: Main-Piedmont DA CA SNFCCAMKDS3  649C ONVOY, LLC - CA 722   2022-01-17   
510-722 A Crockett CA SNFCCA21XUY  981E BANDWIDTH.COM CLEC, LLC - CA 722      
510-722 0 Crockett CA SNFCCA21XUY  981E BANDWIDTH.COM CLEC, LLC - CA 722      
510-722 1 Crockett CA SNFCCA21XUY  981E BANDWIDTH.COM CLEC, LLC - CA 722      
510-722 2 Crockett CA HYWRCA115MD  7229 MCIMETRO ACCESS TRANSMISSION SERVICES LLC 722   2007-04-09   
510-722 3 Crockett CA OKLDCA03XOY  318J COMCAST IP PHONE, LLC 722   2001-07-24   
510-722 4 Crockett CA OKLECAZV1MD  6529 T-MOBILE USA, INC. 722   2024-11-16   
510-722 5 Crockett CA SNFCCAMKDS3  649C ONVOY, LLC - CA 722   2011-05-15   
510-722 6 Crockett CA SNFCCA21XUY  981E BANDWIDTH.COM CLEC, LLC - CA 722   2006-01-09   
510-722 7 Crockett CA SNFCCA21XUY  981E BANDWIDTH.COM CLEC, LLC - CA 722   2014-06-15   
510-722 8 Crockett CA SNFCCASY5MD  8826 LEVEL 3 COMMUNICATIONS, LLC - CA 722   2011-12-31   
510-722 9 Crockett CA SNFCCASY5MD  8826 LEVEL 3 COMMUNICATIONS, LLC - CA 722   2006-08-09   
510-723 A Hayward CA HYWRCA11DS0  9740 PACIFIC BELL 722      
510-723 0 Hayward CA HYWRCA11DS0  9740 PACIFIC BELL 722      
510-723 1 Hayward CA HYWRCA11DS0  9740 PACIFIC BELL 722      
510-723 2 Hayward CA HYWRCA11DS0  9740 PACIFIC BELL 722      
510-723 3 Hayward CA HYWRCA11DS0  9740 PACIFIC BELL 722      
510-723 4 Hayward CA OKLECAZV1MD  5562 METROPCS, INC. 722   2012-01-19   
510-723 5 Hayward CA HYWRCA11DS0  9740 PACIFIC BELL 722      
510-723 6 Hayward CA HYWRCA11DS0  9740 PACIFIC BELL 722      
510-723 7 Hayward CA HYWRCA11DS0  9740 PACIFIC BELL 722      
510-723 8 Hayward CA HYWRCA11DS0  9740 PACIFIC BELL 722      
510-723 9 Hayward CA HYWRCA11DS0  9740 PACIFIC BELL 722      
510-724 A El Sobrante-Pinole CA HRCLCA11DS0  9740 PACIFIC BELL 722      
510-725 A Oakland: Berkeley DA CA OKLDCAEBDS0  7718 LEVEL 3 TELECOM OF CALIFORNIA, LP - CA 722      
510-725 0 Oakland: Berkeley DA CA OKLECAZV1MD  5562 METROPCS, INC. 722   2007-02-15   
510-725 1 Oakland: Berkeley DA CA HYWRCAMCDMD  6006 CELLCO PARTNERSHIP DBA VERIZON WIRELESS - CA 722   2010-02-16   
510-725 2 Oakland: Berkeley DA CA HYWRCAMCDMD  6006 CELLCO PARTNERSHIP DBA VERIZON WIRELESS - CA 722   2006-07-07   
510-725 3 Oakland: Berkeley DA CA OKLDCAEBDS0  7718 LEVEL 3 TELECOM OF CALIFORNIA, LP - CA 722      
510-725 4 Oakland: Berkeley DA CA SNFCCASY5MD  8826 LEVEL 3 COMMUNICATIONS, LLC - CA 722   2004-07-14   
510-725 5 Oakland: Berkeley DA CA HYWRCAMCDMD  6006 CELLCO PARTNERSHIP DBA VERIZON WIRELESS - CA 722   2006-07-07   
510-725 6 Oakland: Berkeley DA CA SNRTCAHFDS0  433E SONIC TELECOM, LLC - CA 722   2018-12-31   
510-725 7 Oakland: Berkeley DA CA HYWRCAMCDMD  6006 CELLCO PARTNERSHIP DBA VERIZON WIRELESS - CA 722   2006-11-15   
510-725 8 Oakland: Berkeley DA CA OKLECAZV1MD  5562 METROPCS, INC. 722   2006-08-20   
510-725 9 Oakland: Berkeley DA CA OKLECAZV1MD  5562 METROPCS, INC. 722   2006-04-30   
510-726 A Crockett CA SNJUCACLDS1  373F PEERLESS NETWORK OF CALIFORNIA, LLC - CA 722      
510-726 0 Crockett CA SNJUCACLDS1  373F PEERLESS NETWORK OF CALIFORNIA, LLC - CA 722   2016-10-16   
510-726 1 Crockett CA SNJUCACLDS1  373F PEERLESS NETWORK OF CALIFORNIA, LLC - CA 722   2016-10-17   
510-726 2 Crockett CA SNJUCACL3MD  073H TELNYX LLC 722   2017-07-21   
510-726 3 Crockett CA SNJSCAYB0MD  671J U.S. TELEPACIFIC CORP. DBA TPX COMMUNICATIONS 722   2017-03-10   
510-726 4 Crockett CA SNJUCACLDS1  373F PEERLESS NETWORK OF CALIFORNIA, LLC - CA 722   2018-10-20   
510-726 5 Crockett CA FRMTCAJYDS0  707H INTEGRATED PATH COMMUNICATIONS, LLC - CA 722   2018-07-13   
510-726 6 Crockett CA SNFCCAMKDS3  649C ONVOY, LLC - CA 722   2019-02-21   

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Last updated: Wed, 04 Mar 2026 03:00:52 UTC

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