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
925-658 9 Walnut Creek CA OKLDCA03DS5  7145 TELEPORT COMMUNICATIONS AMERICA, LLC - CA 722      
925-659 A Bishop Ranch CA OKLDCA03DS5  7145 TELEPORT COMMUNICATIONS AMERICA, LLC - CA 722      
925-659 0 Bishop Ranch CA OKLDCA03DS5  7145 TELEPORT COMMUNICATIONS AMERICA, LLC - CA 722      
925-659 1 Bishop Ranch CA   515J IP HORIZON LLC 722   2003-10-13   
925-659 2 Bishop Ranch CA   515J IP HORIZON LLC 722   2003-10-13   
925-659 3 Bishop Ranch CA HYWRCA115MD  7229 MCIMETRO ACCESS TRANSMISSION SERVICES LLC 722   2006-05-29   
925-659 4 Bishop Ranch CA OKLDCA03DS5  7145 TELEPORT COMMUNICATIONS AMERICA, LLC - CA 722   2017-11-03   
925-659 5 Bishop Ranch CA OKLDCA03DS5  7145 TELEPORT COMMUNICATIONS AMERICA, LLC - CA 722   2015-10-12   
925-659 7 Bishop Ranch CA OKLDCA03DS5  7145 TELEPORT COMMUNICATIONS AMERICA, LLC - CA 722   2018-02-02   
925-659 8 Bishop Ranch CA SNJUCACLDS1  373F PEERLESS NETWORK OF CALIFORNIA, LLC - CA 722   2013-03-29   
925-659 9 Bishop Ranch CA SNRSCA01KMD  7145 TELEPORT COMMUNICATIONS AMERICA, LLC - CA 722   2023-11-02   
925-660 A Pleasanton CA OKLDCAEBDS0  7718 LEVEL 3 TELECOM OF CALIFORNIA, LP - CA 722      
925-660 0 Pleasanton CA SNFCCAMKDS3  649C ONVOY, LLC - CA 722   2017-06-17   
925-660 1 Pleasanton CA OKLDCAEBDS0  7718 LEVEL 3 TELECOM OF CALIFORNIA, LP - CA 722      
925-660 2 Pleasanton CA OKLECAZV1MD  6529 T-MOBILE USA, INC. 722   2018-11-15   
925-660 3 Pleasanton CA OKLDCAEBDS0  7718 LEVEL 3 TELECOM OF CALIFORNIA, LP - CA 722      
925-660 4 Pleasanton CA OKLDCAEBDS0  7718 LEVEL 3 TELECOM OF CALIFORNIA, LP - CA 722   2013-04-08   
925-660 5 Pleasanton CA OKLECAZV1MD  6529 T-MOBILE USA, INC. 722   2017-08-12   
925-660 6 Pleasanton CA SNJUCACLDS1  373F PEERLESS NETWORK OF CALIFORNIA, LLC - CA 722   2020-01-16   
925-660 7 Pleasanton CA SNFCCAMKDS3  649C ONVOY, LLC - CA 722   2014-11-07   
925-660 8 Pleasanton CA SNFCCAMKDS3  649C ONVOY, LLC - CA 722   2023-03-09   
925-660 9 Pleasanton CA OKLECAZV1MD  6529 T-MOBILE USA, INC. 722   2015-05-15   
925-663 A Sunol CA OKLDCAAN5MD  7379 MATRIX TELECOM, LLC. S/I/I TNCI - CA 722      
925-663 0 Sunol CA SNFCCAMKDS3  649C ONVOY, LLC - CA 722      
925-663 2 Sunol CA SNFCCAMKDS3  649C ONVOY, LLC - CA 722   2005-08-07   
925-663 5 Sunol CA OKLECAZV1MD  6529 T-MOBILE USA, INC. 722   2015-10-23   
925-663 6 Sunol CA SNFCCAMKX1X  9262 UTILITY TELECOM GROUP, LLC - CA 722   2009-03-20   
925-663 7 Sunol CA SNFCCAMKDS3  649C ONVOY, LLC - CA 722   2006-01-09   
925-663 8 Sunol CA SNFCCAMKDS3  649C ONVOY, LLC - CA 722      
925-663 9 Sunol CA OKLECAZV1MD  6529 T-MOBILE USA, INC. 722   2015-03-13   
925-664 A Pittsburg West CA OKLDCAAN5MD  7379 MATRIX TELECOM, LLC. S/I/I TNCI - CA 722      
925-664 0 Pittsburg West CA SNFCCAMKDS3  649C ONVOY, LLC - CA 722      
925-664 1 Pittsburg West CA CNCRCADOCM5  6010 NEW CINGULAR WIRELESS PCS, LLC 722   2021-08-18   
925-664 2 Pittsburg West CA SNFCCAMKDS3  649C ONVOY, LLC - CA 722   2005-11-26   
925-664 3 Pittsburg West CA CNCRCADOCM5  6010 NEW CINGULAR WIRELESS PCS, LLC 722   2021-08-18   
925-664 4 Pittsburg West CA SNFCCA21XNZ  624H ONVOY SPECTRUM, LLC 722   2021-07-24   
925-664 5 Pittsburg West CA CNCRCADOCM5  6010 NEW CINGULAR WIRELESS PCS, LLC 722   2021-04-19   
925-664 6 Pittsburg West CA CNCRCADOCM5  6010 NEW CINGULAR WIRELESS PCS, LLC 722   2021-01-27   
925-664 7 Pittsburg West CA CNCRCADOCM5  6010 NEW CINGULAR WIRELESS PCS, LLC 722   2020-04-17   
925-664 8 Pittsburg West CA CNCRCADOCM5  6010 NEW CINGULAR WIRELESS PCS, LLC 722   2020-04-17   
925-664 9 Pittsburg West CA CNCRCADOCM5  6010 NEW CINGULAR WIRELESS PCS, LLC 722   2014-07-21   
925-665 A Pittsburg CA OKLDCAAN5MD  7379 MATRIX TELECOM, LLC. S/I/I TNCI - CA 722      
925-665 0 Pittsburg CA SNFCCA21XUY  981E BANDWIDTH.COM CLEC, LLC - CA 722      
925-665 1 Pittsburg CA SNFCCAMKDS3  649C ONVOY, LLC - CA 722      
925-665 2 Pittsburg CA   6006 CELLCO PARTNERSHIP DBA VERIZON WIRELESS - CA 722   2025-03-23   
925-665 3 Pittsburg CA SNFCCA21XUY  981E BANDWIDTH.COM CLEC, LLC - CA 722      
925-665 4 Pittsburg CA CNCRCADOCM5  6010 NEW CINGULAR WIRELESS PCS, LLC 722   2014-04-13   
925-665 5 Pittsburg CA SNFCCAMKDS3  649C ONVOY, LLC - CA 722   2016-04-23   
925-665 6 Pittsburg CA CNCRCADOCM5  6010 NEW CINGULAR WIRELESS PCS, LLC 722   2015-10-09   
925-665 7 Pittsburg CA SNFCCAMKDS3  649C ONVOY, LLC - CA 722   2006-01-09   
925-665 8 Pittsburg CA SNJUCACLDS1  373F PEERLESS NETWORK OF CALIFORNIA, LLC - CA 722   2013-03-29   
925-665 9 Pittsburg CA CNCRCADOCM5  6010 NEW CINGULAR WIRELESS PCS, LLC 722   2013-07-18   
925-666 A East Contra Costa CA OKLDCAAN5MD  7379 MATRIX TELECOM, LLC. S/I/I TNCI - CA 722      
925-666 0 East Contra Costa CA SNFCCASY5MD  8826 LEVEL 3 COMMUNICATIONS, LLC - CA 722      
925-666 1 East Contra Costa CA SNFCCAMKDS3  649C ONVOY, LLC - CA 722      
925-666 2 East Contra Costa CA SNFCCAMKDS3  649C ONVOY, LLC - CA 722      
925-666 3 East Contra Costa CA SNFCCAMKDS3  649C ONVOY, LLC - CA 722      
925-666 4 East Contra Costa CA   6010 NEW CINGULAR WIRELESS PCS, LLC 722   2025-08-29   
925-666 5 East Contra Costa CA SNFCCA21XUY  981E BANDWIDTH.COM CLEC, LLC - CA 722   2020-07-19   
925-666 6 East Contra Costa CA SNFCCAMKDS3  649C ONVOY, LLC - CA 722   2010-10-03   
925-666 7 East Contra Costa CA SNFCCAMKDS3  649C ONVOY, LLC - CA 722   2006-01-08   
925-666 8 East Contra Costa CA   394L COMCAST PHONE OF CALIFORNIA, LLC 722   2014-04-11   
925-666 9 East Contra Costa CA SNFCCAMKDS3  649C ONVOY, LLC - CA 722   2014-12-12   
925-667 A Livermore CA SNJSCAYB0MD  671J U.S. TELEPACIFIC CORP. DBA TPX COMMUNICATIONS 722      
925-667 0 Livermore CA HYWRCAMCDMD  6006 CELLCO PARTNERSHIP DBA VERIZON WIRELESS - CA 722   2012-05-03   
925-667 1 Livermore CA HYWRCAMCDMD  6006 CELLCO PARTNERSHIP DBA VERIZON WIRELESS - CA 722   2009-11-03   
925-667 2 Livermore CA SNJSCAYB0MD  671J U.S. TELEPACIFIC CORP. DBA TPX COMMUNICATIONS 722      
925-667 3 Livermore CA SNFCCAMKDS3  649C ONVOY, LLC - CA 722   2007-09-07   
925-667 4 Livermore CA   394L COMCAST PHONE OF CALIFORNIA, LLC 722   2015-08-11   
925-667 5 Livermore CA HYWRCAMCDMD  6006 CELLCO PARTNERSHIP DBA VERIZON WIRELESS - CA 722   2007-12-03   
925-667 6 Livermore CA HYWRCAMCDMD  6006 CELLCO PARTNERSHIP DBA VERIZON WIRELESS - CA 722   2007-07-23   
925-667 7 Livermore CA HYWRCAMCDMD  6006 CELLCO PARTNERSHIP DBA VERIZON WIRELESS - CA 722   2007-01-08   
925-667 8 Livermore CA HYWRCAMCDMD  6006 CELLCO PARTNERSHIP DBA VERIZON WIRELESS - CA 722   2010-07-03   
925-667 9 Livermore CA SNFCCA01XGX  516C AT&T CORP. 722   2015-05-16   
925-671 A Concord CA CNCRCA01DS1  9740 PACIFIC BELL 722      
925-672 A Clayton CA CYTNCA11DS0  9740 PACIFIC BELL 722      
925-673 A Clayton CA CYTNCA11DS0  9740 PACIFIC BELL 722      
925-673 0 Clayton CA CYTNCA11DS0  9740 PACIFIC BELL 722      
925-673 1 Clayton CA CYTNCA11DS0  9740 PACIFIC BELL 722      
925-673 2 Clayton CA CYTNCA11DS0  9740 PACIFIC BELL 722      
925-673 3 Clayton CA CYTNCA11DS0  9740 PACIFIC BELL 722      
925-673 4 Clayton CA SNFCCAMKX1X  9262 UTILITY TELECOM GROUP, LLC - CA 722   2006-05-22   
925-673 5 Clayton CA CYTNCA11DS0  9740 PACIFIC BELL 722      
925-673 7 Clayton CA CYTNCA11DS0  9740 PACIFIC BELL 722      
925-673 8 Clayton CA CYTNCA11DS0  9740 PACIFIC BELL 722      
925-673 9 Clayton CA CYTNCA11DS0  9740 PACIFIC BELL 722      
925-674 A Concord CA CNCRCA01DS1  9740 PACIFIC BELL 722      
925-675 A Concord CA CNCRCA01DS1  9740 PACIFIC BELL 722      
925-676 A Concord CA CNCRCA01DS1  9740 PACIFIC BELL 722      
925-677 A Concord CA CNCRCA01DS0  9740 PACIFIC BELL 722      
925-677 0 Concord CA CNCRCA01DS0  9740 PACIFIC BELL 722      
925-677 1 Concord CA SNFCCAMKX1X  9262 UTILITY TELECOM GROUP, LLC - CA 722   2006-05-22   
925-677 2 Concord CA CNCRCA01DS0  9740 PACIFIC BELL 722      
925-677 3 Concord CA CNCRCA01DS0  9740 PACIFIC BELL 722      
925-677 4 Concord CA CNCRCA01DS0  9740 PACIFIC BELL 722      
925-677 5 Concord CA CNCRCA01DS0  9740 PACIFIC BELL 722      
925-677 6 Concord CA CNCRCA01DS0  9740 PACIFIC BELL 722      
925-677 7 Concord CA CNCRCA01DS0  9740 PACIFIC BELL 722      
925-677 8 Concord CA SNFCCAMKX1X  9262 UTILITY TELECOM GROUP, LLC - CA 722      
925-677 9 Concord CA SNFCCAMKX1X  9262 UTILITY TELECOM GROUP, LLC - CA 722      

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Last updated: Tue, 16 Jun 2026 00:09:45 UTC

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