Local Calling Guide

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NPA: 925 [Rate centres in NPA 925] [Dial plan for NPA 925]

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NPA-NXX BLOCK Rate Centre Region Switch OCN LATA LIR Eff date Disc date
925-623 6 Pleasanton CA OKLECAZV1MD  6529 T-MOBILE USA, INC. 722   2019-05-11   
925-623 7 Pleasanton CA SNFCCAMKDS3  649C ONVOY, LLC - CA 722   2023-03-09   
925-623 8 Pleasanton CA   515J IP HORIZON LLC 722   2016-09-15   
925-623 9 Pleasanton CA OKLECAZV1MD  5562 METROPCS, INC. 722      
925-625 A East Contra Costa CA OKLYCA11RPA  9740 PACIFIC BELL 722      
925-626 A East Contra Costa CA HYWRCA115MD  7229 MCIMETRO ACCESS TRANSMISSION SERVICES LLC 722      
925-626 0 East Contra Costa CA SNFCCA21XUY  981E BANDWIDTH.COM CLEC, LLC - CA 722   2015-06-13   
925-626 1 East Contra Costa CA OKLDCA03XKY  624H ONVOY SPECTRUM, LLC 722   2025-05-16   
925-626 2 East Contra Costa CA OKLDCAMP2MD  829J PAETEC ITEL, LLC 722   2012-08-24   
925-626 3 East Contra Costa CA BRWDCA12DS0  9740 PACIFIC BELL 722   2006-08-25   
925-626 4 East Contra Costa CA HYWRCA115MD  7229 MCIMETRO ACCESS TRANSMISSION SERVICES LLC 722   2007-04-09   
925-626 5 East Contra Costa CA SNFCCA01XGX  516C AT&T CORP. 722   2014-02-19   
925-626 6 East Contra Costa CA SNRTCAHFDS0  433E SONIC TELECOM, LLC - CA 722   2015-04-09   
925-626 7 East Contra Costa CA OKLDCA03XOY  394L COMCAST PHONE OF CALIFORNIA, LLC 722   2008-06-10   
925-626 8 East Contra Costa CA OKLDCA03XOY  394L COMCAST PHONE OF CALIFORNIA, LLC 722   2015-10-12   
925-626 9 East Contra Costa CA HYWRCA115MD  7229 MCIMETRO ACCESS TRANSMISSION SERVICES LLC 722      
925-627 A Walnut Creek CA SNJSCAYB0MD  671J U.S. TELEPACIFIC CORP. DBA TPX COMMUNICATIONS 722      
925-627 0 Walnut Creek CA HYWRCAMCDMD  6006 CELLCO PARTNERSHIP DBA VERIZON WIRELESS - CA 722   2025-03-23   
925-627 1 Walnut Creek CA SNJSCAYB0MD  671J U.S. TELEPACIFIC CORP. DBA TPX COMMUNICATIONS 722      
925-627 2 Walnut Creek CA SNJSCAYB0MD  671J U.S. TELEPACIFIC CORP. DBA TPX COMMUNICATIONS 722      
925-627 3 Walnut Creek CA SNJSCAYB0MD  671J U.S. TELEPACIFIC CORP. DBA TPX COMMUNICATIONS 722      
925-627 4 Walnut Creek CA SNJSCAYB0MD  671J U.S. TELEPACIFIC CORP. DBA TPX COMMUNICATIONS 722      
925-627 5 Walnut Creek CA SNJSCAYB0MD  671J U.S. TELEPACIFIC CORP. DBA TPX COMMUNICATIONS 722      
925-627 6 Walnut Creek CA OKLDCA03XKY  624H ONVOY SPECTRUM, LLC 722   2025-05-16   
925-627 7 Walnut Creek CA SNJSCAYB0MD  671J U.S. TELEPACIFIC CORP. DBA TPX COMMUNICATIONS 722      
925-627 8 Walnut Creek CA HYWRCAMCDS0  7240 MCIMETRO ACCESS TRANSMISSION SERVICES LLC - CA 722   2011-01-31   
925-627 9 Walnut Creek CA SNJSCAYB0MD  671J U.S. TELEPACIFIC CORP. DBA TPX COMMUNICATIONS 722      
925-628 A Antioch CA HYWRCAMCDMD  6006 CELLCO PARTNERSHIP DBA VERIZON WIRELESS - CA 722      
925-631 A Moraga CA MORGCA12DS0  9740 PACIFIC BELL 722      
925-631 0 Moraga CA MORGCA12DS0  9740 PACIFIC BELL 722      
925-631 1 Moraga CA MORGCA12DS0  9740 PACIFIC BELL 722      
925-631 2 Moraga CA SNFCCAMKDS3  649C ONVOY, LLC - CA 722   2023-10-29   
925-631 3 Moraga CA SNFCCAMKDS3  649C ONVOY, LLC - CA 722   2023-10-29   
925-631 4 Moraga CA MORGCA12DS0  9740 PACIFIC BELL 722      
925-631 5 Moraga CA MORGCA12DS0  9740 PACIFIC BELL 722      
925-631 6 Moraga CA MORGCA12DS0  9740 PACIFIC BELL 722      
925-631 7 Moraga CA MORGCA12DS0  9740 PACIFIC BELL 722      
925-631 8 Moraga CA MORGCA12DS0  9740 PACIFIC BELL 722      
925-631 9 Moraga CA MORGCA12DS0  9740 PACIFIC BELL 722      
925-633 A Concord CA SNJUCACL7MD  965H FRACTEL, LLC 722      
925-633 0 Concord CA SNJUCACL4MD  939H COMMIO, LLC 722   2021-10-14   
925-633 1 Concord CA SNJUCACL4MD  939H COMMIO, LLC 722   2021-10-14   
925-633 2 Concord CA SNJUCACL4MD  939H COMMIO, LLC 722   2021-10-14   
925-633 3 Concord CA SNJUCACL7MD  965H FRACTEL, LLC 722   2021-10-07   
925-633 4 Concord CA SNFCCAMKDS3  649C ONVOY, LLC - CA 722   2021-10-08   
925-633 5 Concord CA SNFCCAMKDS3  649C ONVOY, LLC - CA 722   2021-10-08   
925-633 6 Concord CA SNFCCAMKDS3  649C ONVOY, LLC - CA 722   2021-10-08   
925-633 7 Concord CA SNFCCAMKDS3  649C ONVOY, LLC - CA 722   2021-10-08   
925-633 8 Concord CA SNJUCACL4MD  939H COMMIO, LLC 722   2021-10-14   
925-633 9 Concord CA SNJUCACL4MD  939H COMMIO, LLC 722   2021-10-14   
925-634 A East Contra Costa CA BRWDCA12DS0  9740 PACIFIC BELL 722      
925-635 A Pittsburg CA OKLDCA03DS5  7145 TELEPORT COMMUNICATIONS AMERICA, LLC - CA 722      
925-635 0 Pittsburg CA SNFCCAMKDS3  649C ONVOY, LLC - CA 722   2016-04-23   
925-635 1 Pittsburg CA   515J IP HORIZON LLC 722   2003-10-13   
925-635 2 Pittsburg CA   515J IP HORIZON LLC 722   2003-10-13   
925-635 3 Pittsburg CA OKLDCA03XOY  394L COMCAST PHONE OF CALIFORNIA, LLC 722   2013-10-21   
925-635 4 Pittsburg CA SNFCCA21XUY  981E BANDWIDTH.COM CLEC, LLC - CA 722   2010-12-10   
925-635 5 Pittsburg CA SNFCCAMKDS3  649C ONVOY, LLC - CA 722   2013-12-01   
925-635 6 Pittsburg CA SNRTCAHFDS0  433E SONIC TELECOM, LLC - CA 722   2015-04-09   
925-635 7 Pittsburg CA SNVACAHZ0MD  508J CENTURYLINK COMMUNICATIONS, LLC 722   2014-04-09   
925-635 8 Pittsburg CA SNFCCA21XUY  981E BANDWIDTH.COM CLEC, LLC - CA 722   2015-06-13   
925-635 9 Pittsburg CA OKLDCA03DS5  7145 TELEPORT COMMUNICATIONS AMERICA, LLC - CA 722      
925-638 A Martinez CA SNRSCA01KMD  7145 TELEPORT COMMUNICATIONS AMERICA, LLC - CA 722   2026-07-06   
925-638 0 Martinez CA SNFCCAMKDS3  649C ONVOY, LLC - CA 722   2026-07-07   
925-638 6 Martinez CA SNRSCA01KMD  7145 TELEPORT COMMUNICATIONS AMERICA, LLC - CA 722   2026-07-06   
925-638 7 Martinez CA SNRSCA01KMD  7145 TELEPORT COMMUNICATIONS AMERICA, LLC - CA 722   2026-07-06   
925-638 8 Martinez CA SNRSCA01KMD  7145 TELEPORT COMMUNICATIONS AMERICA, LLC - CA 722   2026-07-06   
925-638 9 Martinez CA SNRSCA01KMD  7145 TELEPORT COMMUNICATIONS AMERICA, LLC - CA 722   2026-07-06   
925-639 A Walnut Creek CA OKLECAZV1MD  6529 T-MOBILE USA, INC. 722      
925-640 A Dublin-San Ramon CA CNCRCADOCM5  6010 NEW CINGULAR WIRELESS PCS, LLC 722      
925-642 A Antioch CA CNCRCADOCM5  6010 NEW CINGULAR WIRELESS PCS, LLC 722      
925-643 A Pittsburg West CA SNJSCAYB0MD  671J U.S. TELEPACIFIC CORP. DBA TPX COMMUNICATIONS 722      
925-643 0 Pittsburg West CA SNFCCAMKDS3  649C ONVOY, LLC - CA 722   2021-07-30   
925-643 1 Pittsburg West CA SNFCCAMKDS3  649C ONVOY, LLC - CA 722   2021-10-09   
925-643 2 Pittsburg West CA SNFCCAMKDS3  649C ONVOY, LLC - CA 722   2014-09-22   
925-643 3 Pittsburg West CA FRMTCAJYDS0  707H INTEGRATED PATH COMMUNICATIONS, LLC - CA 722   2018-07-18   
925-643 4 Pittsburg West CA CNCRCADOCM5  6010 NEW CINGULAR WIRELESS PCS, LLC 722   2025-03-10   
925-643 5 Pittsburg West CA SNFCCA01XGX  516C AT&T CORP. 722   2007-02-19   
925-643 6 Pittsburg West CA SNFCCAMKDS3  649C ONVOY, LLC - CA 722   2020-12-05   
925-643 7 Pittsburg West CA SNVACAHZ0MD  508J CENTURYLINK COMMUNICATIONS, LLC 722   2015-02-02   
925-643 8 Pittsburg West CA SNFCCAMKDS3  649C ONVOY, LLC - CA 722   2020-12-05   
925-643 9 Pittsburg West CA SNJSCAYB0MD  671J U.S. TELEPACIFIC CORP. DBA TPX COMMUNICATIONS 722      
925-644 A Concord CA SNJUCACL7MD  965H FRACTEL, LLC 722      
925-644 0 Concord CA SNFCCA21XUY  981E BANDWIDTH.COM CLEC, LLC - CA 722   2021-09-13   
925-644 1 Concord CA SNFCCA21XUY  981E BANDWIDTH.COM CLEC, LLC - CA 722   2021-09-13   
925-644 2 Concord CA SNFCCA21XUY  981E BANDWIDTH.COM CLEC, LLC - CA 722   2021-09-13   
925-644 3 Concord CA SNFCCA21XUY  981E BANDWIDTH.COM CLEC, LLC - CA 722   2021-09-13   
925-644 4 Concord CA SNJUCACL7MD  965H FRACTEL, LLC 722   2021-09-12   
925-644 5 Concord CA SNFCCAMKDS3  649C ONVOY, LLC - CA 722   2021-09-13   
925-644 6 Concord CA SNFCCAMKDS3  649C ONVOY, LLC - CA 722   2021-09-13   
925-644 7 Concord CA SNFCCA21XUY  981E BANDWIDTH.COM CLEC, LLC - CA 722   2021-09-13   
925-644 8 Concord CA SNFCCAMKX9X  073H TELNYX LLC 722   2021-11-07   
925-644 9 Concord CA SNFCCAMKDS3  649C ONVOY, LLC - CA 722   2026-06-17   
925-646 A Concord CA CNCRCA01RS1  9740 PACIFIC BELL 722      
925-648 A Danville CA DAVLCA13DS0  9740 PACIFIC BELL 722      
925-648 0 Danville CA DAVLCA13DS0  9740 PACIFIC BELL 722      
925-648 1 Danville CA DAVLCA13DS0  9740 PACIFIC BELL 722      
925-648 2 Danville CA DAVLCA13DS0  9740 PACIFIC BELL 722      
925-648 3 Danville CA DAVLCA13DS0  9740 PACIFIC BELL 722      
925-648 4 Danville CA DAVLCA13DS0  9740 PACIFIC BELL 722      

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Last updated: Sat, 01 Aug 2026 03:19:33 UTC

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