Local Calling Guide

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East Contra Costa, CA

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NPA-NXX BLOCK Switch OCN LATA LIR Eff date Disc date
925-240 A BRWDCA12DS0  9740 PACIFIC BELL 722      
925-240 0   9740 PACIFIC BELL 722      
925-240 1   9740 PACIFIC BELL 722      
925-240 2   9740 PACIFIC BELL 722      
925-240 3   981E BANDWIDTH.COM CLEC, LLC - CA 722   2010-03-04   
925-240 4   318J COMCAST IP PHONE, LLC 722   2012-12-13   
925-240 5   9740 PACIFIC BELL 722      
925-240 6   9740 PACIFIC BELL 722      
925-240 7   9740 PACIFIC BELL 722      
925-240 8   9740 PACIFIC BELL 722      
925-240 9   9740 PACIFIC BELL 722      
925-306 A SNRTCAHFDS0  433E SONIC TELECOM, LLC - CA 722      
925-306 0   433E SONIC TELECOM, LLC - CA 722   2017-03-06   
925-306 1   649C ONVOY, LLC - CA 722   2017-06-18   
925-306 2   6010 NEW CINGULAR WIRELESS PCS, LLC 722   2017-09-09   
925-306 3   707H INTEGRATED PATH COMMUNICATIONS, LLC - CA 722   2018-07-13   
925-306 4   981E BANDWIDTH.COM CLEC, LLC - CA 722   2020-07-19   
925-306 5   6010 NEW CINGULAR WIRELESS PCS, LLC 722   2020-04-04   
925-306 6   433E SONIC TELECOM, LLC - CA 722   2019-06-08   
925-306 7   6010 NEW CINGULAR WIRELESS PCS, LLC 722   2019-11-17   
925-306 8   073H TELNYX LLC 722   2017-06-12   
925-306 9   6010 NEW CINGULAR WIRELESS PCS, LLC 722   2018-07-19   
925-308 A OKLDCAEBDS0  7718 LEVEL 3 TELECOM OF CALIFORNIA, LP - CA 722      
925-308 0   6010 NEW CINGULAR WIRELESS PCS, LLC 722   2014-11-07   
925-308 1   7718 LEVEL 3 TELECOM OF CALIFORNIA, LP - CA 722      
925-308 2   649C ONVOY, LLC - CA 722   2010-03-13   
925-308 3   6010 NEW CINGULAR WIRELESS PCS, LLC 722   2014-11-07   
925-308 4   318J COMCAST IP PHONE, LLC 722   2005-09-27   
925-308 5   981E BANDWIDTH.COM CLEC, LLC - CA 722   2010-05-23   
925-308 6   981E BANDWIDTH.COM CLEC, LLC - CA 722   2011-05-29   
925-308 7   9740 PACIFIC BELL 722   2004-03-02   
925-308 8   9740 PACIFIC BELL 722   2004-03-02   
925-308 9   8826 LEVEL 3 COMMUNICATIONS, LLC - CA 722   2005-11-26   
925-390 A CNCRCADOCM5  6010 NEW CINGULAR WIRELESS PCS, LLC 722      
925-390 0   649C ONVOY, LLC - CA 722   2016-05-27   
925-390 1   649C ONVOY, LLC - CA 722   2016-05-27   
925-390 2   6010 NEW CINGULAR WIRELESS PCS, LLC 722   2017-08-09   
925-390 3   981E BANDWIDTH.COM CLEC, LLC - CA 722   2016-07-25   
925-390 4   515J IP HORIZON LLC 722   2016-09-15   
925-390 5   318J COMCAST IP PHONE, LLC 722   2016-09-16   
925-390 6   433E SONIC TELECOM, LLC - CA 722   2016-09-23   
925-390 7   516C AT&T CORP. 722   2016-11-25   
925-390 8   6010 NEW CINGULAR WIRELESS PCS, LLC 722   2016-05-26   
925-390 9   6010 NEW CINGULAR WIRELESS PCS, LLC 722   2016-05-26   
925-392 A OKLDCA03DS5  7145 TELEPORT COMMUNICATIONS AMERICA, LLC - CA 722      
925-392 0   8826 LEVEL 3 COMMUNICATIONS, LLC - CA 722   2005-11-26   
925-392 1   981E BANDWIDTH.COM CLEC, LLC - CA 722   2011-05-29   
925-392 2   553J WHITESKY COMMUNICATIONS, LLC 722   2021-09-16   
925-392 3   8826 LEVEL 3 COMMUNICATIONS, LLC - CA 722   2004-12-22   
925-392 4   8826 LEVEL 3 COMMUNICATIONS, LLC - CA 722   2003-01-11   
925-392 5   981E BANDWIDTH.COM CLEC, LLC - CA 722   2010-07-04   
925-392 6   649C ONVOY, LLC - CA 722   2013-03-16   
925-392 7   649C ONVOY, LLC - CA 722   2009-12-18   
925-392 8   516C AT&T CORP. 722   2006-06-30   
925-392 9   7145 TELEPORT COMMUNICATIONS AMERICA, LLC - CA 722      
925-418 A SNFCCASY5MD  8826 LEVEL 3 COMMUNICATIONS, LLC - CA 722      
925-418 0   8826 LEVEL 3 COMMUNICATIONS, LLC - CA 722   2014-10-19   
925-418 1   649C ONVOY, LLC - CA 722   2023-02-05   
925-418 2   6010 NEW CINGULAR WIRELESS PCS, LLC 722   2015-05-21   
925-418 3   7240 MCIMETRO ACCESS TRANSMISSION SERVICES LLC - CA 722   2008-07-24   
925-418 4   318J COMCAST IP PHONE, LLC 722   2008-12-26   
925-418 5   8826 LEVEL 3 COMMUNICATIONS, LLC - CA 722      
925-418 6   649C ONVOY, LLC - CA 722   2011-01-20   
925-418 7   8826 LEVEL 3 COMMUNICATIONS, LLC - CA 722   2011-10-29   
925-418 8   8826 LEVEL 3 COMMUNICATIONS, LLC - CA 722      
925-418 9   6010 NEW CINGULAR WIRELESS PCS, LLC 722   2015-05-21   
925-420 A SNFCCAMKDS3  649C ONVOY, LLC - CA 722      
925-420 0   981E BANDWIDTH.COM CLEC, LLC - CA 722   2012-12-14   
925-420 1   515J IP HORIZON LLC 722      
925-420 2   515J IP HORIZON LLC 722      
925-420 3   318J COMCAST IP PHONE, LLC 722   2014-10-02   
925-420 4   981E BANDWIDTH.COM CLEC, LLC - CA 722   2015-06-13   
925-420 5   318J COMCAST IP PHONE, LLC 722   2006-11-02   
925-420 6   318J COMCAST IP PHONE, LLC 722   2006-11-02   
925-420 7   649C ONVOY, LLC - CA 722   2013-11-29   
925-420 8   649C ONVOY, LLC - CA 722   2013-11-29   
925-420 9   649C ONVOY, LLC - CA 722   2014-12-12   
925-450 A SNFCCA21XUY  981E BANDWIDTH.COM CLEC, LLC - CA 722      
925-450 0   981E BANDWIDTH.COM CLEC, LLC - CA 722   2020-08-23   
925-450 1   981E BANDWIDTH.COM CLEC, LLC - CA 722   2020-08-23   
925-450 2   981E BANDWIDTH.COM CLEC, LLC - CA 722   2020-08-23   
925-450 3   981E BANDWIDTH.COM CLEC, LLC - CA 722   2020-11-14   
925-450 4   6010 NEW CINGULAR WIRELESS PCS, LLC 722   2024-09-15   
925-450 5   6010 NEW CINGULAR WIRELESS PCS, LLC 722   2020-09-26   
925-450 6   981E BANDWIDTH.COM CLEC, LLC - CA 722   2020-11-14   
925-450 7   981E BANDWIDTH.COM CLEC, LLC - CA 722   2020-11-14   
925-450 8   6010 NEW CINGULAR WIRELESS PCS, LLC 722   2021-06-06   
925-450 9   6010 NEW CINGULAR WIRELESS PCS, LLC 722   2021-09-04   
925-508 A SNFCCAMKDS3  649C ONVOY, LLC - CA 722      
925-508 0   649C ONVOY, LLC - CA 722   2024-02-22   
925-508 1   649C ONVOY, LLC - CA 722   2024-02-22   
925-508 2   649C ONVOY, LLC - CA 722   2024-02-22   
925-508 3   649C ONVOY, LLC - CA 722   2023-06-04   
925-508 4   6010 NEW CINGULAR WIRELESS PCS, LLC 722   2025-02-03   
925-508 5   373F PEERLESS NETWORK OF CALIFORNIA, LLC - CA 722   2025-02-23   
925-508 6   624H ONVOY SPECTRUM, LLC 722   2025-05-16   
925-508 7   624H ONVOY SPECTRUM, LLC 722   2025-05-16   
925-508 8   6010 NEW CINGULAR WIRELESS PCS, LLC 722   2024-01-01   
925-508 9   6010 NEW CINGULAR WIRELESS PCS, LLC 722   2023-07-16   
925-513 A BRWDCA12DS0  9740 PACIFIC BELL 722      

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

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