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
925-822 4 Concord CA   6010 NEW CINGULAR WIRELESS PCS, LLC 722   2010-04-17   
925-822 5 Concord CA   6006 CELLCO PARTNERSHIP DBA VERIZON WIRELESS - CA 722   2008-08-09   
925-822 6 Concord CA   6010 NEW CINGULAR WIRELESS PCS, LLC 722   2010-04-17   
925-822 7 Concord CA   6006 CELLCO PARTNERSHIP DBA VERIZON WIRELESS - CA 722   2008-09-15   
925-822 8 Concord CA   6006 CELLCO PARTNERSHIP DBA VERIZON WIRELESS - CA 722   2007-11-26   
925-822 9 Concord CA   7229 MCIMETRO ACCESS TRANSMISSION SERVICES LLC 722      
925-823 A Bishop Ranch CA BSRNCA70DS0  9740 PACIFIC BELL 722      
925-824 A Bishop Ranch CA BSRNCA70DS0  9740 PACIFIC BELL 722      
925-825 A Concord CA CNCRCA01DS0  9740 PACIFIC BELL 722      
925-826 A Concord CA HYWRCAMCDS0  7240 MCIMETRO ACCESS TRANSMISSION SERVICES LLC - CA 722      
925-826 0 Concord CA   7240 MCIMETRO ACCESS TRANSMISSION SERVICES LLC - CA 722      
925-826 1 Concord CA   7240 MCIMETRO ACCESS TRANSMISSION SERVICES LLC - CA 722      
925-826 2 Concord CA   5562 METROPCS, INC. 722   2007-09-18   
925-826 3 Concord CA   8826 LEVEL 3 COMMUNICATIONS, LLC - CA 722   2005-03-14   
925-826 4 Concord CA   5562 METROPCS, INC. 722   2008-09-11   
925-826 5 Concord CA   318J COMCAST IP PHONE, LLC 722   2009-04-06   
925-826 6 Concord CA   5562 METROPCS, INC. 722   2007-09-18   
925-826 7 Concord CA   6010 NEW CINGULAR WIRELESS PCS, LLC 722   2008-07-30   
925-826 8 Concord CA   5562 METROPCS, INC. 722   2009-04-14   
925-826 9 Concord CA   5562 METROPCS, INC. 722   2009-04-09   
925-827 A Concord CA CNCRCA01DS1  9740 PACIFIC BELL 722      
925-828 A Dublin-San Ramon CA SNRMCA11DS1  9740 PACIFIC BELL 722      
925-829 A Dublin-San Ramon CA SNRMCA11DS1  9740 PACIFIC BELL 722      
925-830 A Bishop Ranch CA BSRNCA70DS0  9740 PACIFIC BELL 722      
925-830 0 Bishop Ranch CA   9740 PACIFIC BELL 722      
925-830 1 Bishop Ranch CA   9740 PACIFIC BELL 722      
925-830 2 Bishop Ranch CA   9740 PACIFIC BELL 722      
925-830 3 Bishop Ranch CA   9740 PACIFIC BELL 722      
925-830 4 Bishop Ranch CA   9740 PACIFIC BELL 722      
925-830 5 Bishop Ranch CA   9740 PACIFIC BELL 722      
925-830 6 Bishop Ranch CA   9740 PACIFIC BELL 722      
925-830 7 Bishop Ranch CA   649C ONVOY, LLC - CA 722   2013-11-29   
925-830 8 Bishop Ranch CA   9740 PACIFIC BELL 722      
925-830 9 Bishop Ranch CA   9740 PACIFIC BELL 722      
925-831 A Danville CA DAVLCA12DS0  9740 PACIFIC BELL 722      
925-832 A East Contra Costa CA SNJUCACL9MD  516J TON80 COMMUNICATIONS, LLC 722      
925-832 0 East Contra Costa CA   981E BANDWIDTH.COM CLEC, LLC - CA 722   2022-08-06   
925-832 1 East Contra Costa CA   981E BANDWIDTH.COM CLEC, LLC - CA 722   2022-08-06   
925-832 2 East Contra Costa CA   981E BANDWIDTH.COM CLEC, LLC - CA 722   2022-08-06   
925-832 3 East Contra Costa CA   981E BANDWIDTH.COM CLEC, LLC - CA 722   2022-08-06   
925-832 4 East Contra Costa CA   516J TON80 COMMUNICATIONS, LLC 722   2022-04-02   
925-832 5 East Contra Costa CA   981E BANDWIDTH.COM CLEC, LLC - CA 722   2022-08-06   
925-832 6 East Contra Costa CA   490J DISH WIRELESS, LLC 722   2023-02-16   
925-832 7 East Contra Costa CA   649C ONVOY, LLC - CA 722   2022-11-14   
925-832 8 East Contra Costa CA   649C ONVOY, LLC - CA 722   2022-11-14   
925-832 9 East Contra Costa CA   6010 NEW CINGULAR WIRELESS PCS, LLC 722   2022-04-10   
925-833 A Dublin-San Ramon CA SNRMCA11DS1  9740 PACIFIC BELL 722      
925-834 A Antioch CA SNJUCACL9MD  516J TON80 COMMUNICATIONS, LLC 722      
925-834 0 Antioch CA   6529 T-MOBILE USA, INC. 722   2021-12-10   
925-834 1 Antioch CA   624H ONVOY SPECTRUM, LLC 722   2021-11-21   
925-834 2 Antioch CA   624H ONVOY SPECTRUM, LLC 722   2021-11-21   
925-834 3 Antioch CA   624H ONVOY SPECTRUM, LLC 722   2021-11-21   
925-834 4 Antioch CA   624H ONVOY SPECTRUM, LLC 722   2021-11-21   
925-834 5 Antioch CA   624H ONVOY SPECTRUM, LLC 722   2021-11-21   
925-834 6 Antioch CA   6529 T-MOBILE USA, INC. 722   2021-12-10   
925-834 7 Antioch CA   516J TON80 COMMUNICATIONS, LLC 722   2021-11-20   
925-834 8 Antioch CA   6529 T-MOBILE USA, INC. 722   2021-12-10   
925-834 9 Antioch CA   6529 T-MOBILE USA, INC. 722   2021-12-10   
925-835 A Sunol CA SNJSCAYB0MD  671J U.S. TELEPACIFIC CORP. DBA TPX COMMUNICATIONS 722      
925-835 0 Sunol CA   515J IP HORIZON LLC 722   2016-09-15   
925-835 1 Sunol CA   145J TERRA NOVA TELECOM INC. 722   2024-05-10   
925-835 2 Sunol CA   373F PEERLESS NETWORK OF CALIFORNIA, LLC - CA 722   2013-03-29   
925-835 3 Sunol CA   707H INTEGRATED PATH COMMUNICATIONS, LLC - CA 722   2018-07-18   
925-835 4 Sunol CA   649C ONVOY, LLC - CA 722   2005-06-18   
925-835 5 Sunol CA   649C ONVOY, LLC - CA 722   2005-06-18   
925-835 6 Sunol CA   649C ONVOY, LLC - CA 722   2005-06-18   
925-835 7 Sunol CA   649C ONVOY, LLC - CA 722   2006-09-01   
925-835 8 Sunol CA   624H ONVOY SPECTRUM, LLC 722   2021-11-08   
925-835 9 Sunol CA   671J U.S. TELEPACIFIC CORP. DBA TPX COMMUNICATIONS 722      
925-837 A Danville CA DAVLCA12DS0  9740 PACIFIC BELL 722      
925-838 A Danville CA DAVLCA12DS0  9740 PACIFIC BELL 722      
925-839 A Martinez CA SNJSCAYB0MD  671J U.S. TELEPACIFIC CORP. DBA TPX COMMUNICATIONS 722      
925-839 0 Martinez CA   6010 NEW CINGULAR WIRELESS PCS, LLC 722   2020-04-18   
925-839 1 Martinez CA   649C ONVOY, LLC - CA 722   2025-10-26   
925-839 2 Martinez CA   671J U.S. TELEPACIFIC CORP. DBA TPX COMMUNICATIONS 722      
925-839 3 Martinez CA   6010 NEW CINGULAR WIRELESS PCS, LLC 722   2021-04-19   
925-839 4 Martinez CA   649C ONVOY, LLC - CA 722   2019-03-22   
925-839 5 Martinez CA   649C ONVOY, LLC - CA 722   2019-03-22   
925-839 6 Martinez CA   6529 T-MOBILE USA, INC. 722   2020-09-18   
925-839 7 Martinez CA   6529 T-MOBILE USA, INC. 722   2019-03-18   
925-839 8 Martinez CA   649C ONVOY, LLC - CA 722   2026-02-20   
925-839 9 Martinez CA   671J U.S. TELEPACIFIC CORP. DBA TPX COMMUNICATIONS 722      
925-842 A Bishop Ranch CA BSRNCA70DS0  9740 PACIFIC BELL 722      
925-843 A Bishop Ranch CA OKLDCAEBDS0  7718 LEVEL 3 TELECOM OF CALIFORNIA, LP - CA 722      
925-843 0 Bishop Ranch CA   7718 LEVEL 3 TELECOM OF CALIFORNIA, LP - CA 722   2010-06-27   
925-843 1 Bishop Ranch CA   7718 LEVEL 3 TELECOM OF CALIFORNIA, LP - CA 722   2010-06-27   
925-843 2 Bishop Ranch CA   7718 LEVEL 3 TELECOM OF CALIFORNIA, LP - CA 722   2010-06-27   
925-843 3 Bishop Ranch CA   7718 LEVEL 3 TELECOM OF CALIFORNIA, LP - CA 722   2010-06-27   
925-843 4 Bishop Ranch CA   7718 LEVEL 3 TELECOM OF CALIFORNIA, LP - CA 722   2010-06-27   
925-843 5 Bishop Ranch CA   7718 LEVEL 3 TELECOM OF CALIFORNIA, LP - CA 722   2010-06-27   
925-843 6 Bishop Ranch CA   7718 LEVEL 3 TELECOM OF CALIFORNIA, LP - CA 722   2010-06-27   
925-843 7 Bishop Ranch CA   7718 LEVEL 3 TELECOM OF CALIFORNIA, LP - CA 722   2010-06-27   
925-843 8 Bishop Ranch CA   7718 LEVEL 3 TELECOM OF CALIFORNIA, LP - CA 722   2010-06-27   
925-843 9 Bishop Ranch CA   7718 LEVEL 3 TELECOM OF CALIFORNIA, LP - CA 722   2010-06-27   
925-844 A Clayton CA SNJSCAYB0MD  671J U.S. TELEPACIFIC CORP. DBA TPX COMMUNICATIONS 722      
925-844 0 Clayton CA   321J HD CARRIER LLC 722   2016-10-20   
925-844 1 Clayton CA   373F PEERLESS NETWORK OF CALIFORNIA, LLC - CA 722   2013-03-29   
925-844 2 Clayton CA   318J COMCAST IP PHONE, LLC 722   2023-02-06   
925-844 3 Clayton CA   6529 T-MOBILE USA, INC. 722   2024-04-05   
925-844 4 Clayton CA   6529 T-MOBILE USA, INC. 722   2015-10-03   

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Last updated: Thu, 29 Jan 2026 14:35:03 UTC

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