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East Contra Costa, CA

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NPA-NXX BLOCK Switch OCN LATA LIR Eff date Disc date
925-666 4 CNCRCADOCM5  6010 NEW CINGULAR WIRELESS PCS, LLC 722   2025-08-29   
925-666 5 SNFCCA21XUY  981E BANDWIDTH.COM CLEC, LLC - CA 722   2020-07-19   
925-666 6 SNFCCAMKDS3  649C ONVOY, LLC - CA 722   2010-10-03   
925-666 7 SNFCCAMKDS3  649C ONVOY, LLC - CA 722   2006-01-08   
925-666 8 OKLDCA03XOY  394L COMCAST PHONE OF CALIFORNIA, LLC 722   2014-04-11   
925-666 9 SNFCCAMKDS3  649C ONVOY, LLC - CA 722   2014-12-12   
925-679 A OKLYCA11RPA  9740 PACIFIC BELL 722      
925-679 0 OKLYCA11RPA  9740 PACIFIC BELL 722      
925-679 1 OKLYCA11RPA  9740 PACIFIC BELL 722      
925-679 2 OKLYCA11RPA  9740 PACIFIC BELL 722      
925-679 3 OKLYCA11RPA  9740 PACIFIC BELL 722      
925-679 4 OKLDCA03XOY  394L COMCAST PHONE OF CALIFORNIA, LLC 722   2015-12-03   
925-679 5 SNFCCA21XUY  981E BANDWIDTH.COM CLEC, LLC - CA 722   2008-11-24   
925-679 6 SNVACAHZ0MD  508J CENTURYLINK COMMUNICATIONS, LLC 722   2014-03-28   
925-679 7 SNFCCA01XGX  516C AT&T CORP. 722   2010-04-30   
925-679 8 OKLYCA11RPA  9740 PACIFIC BELL 722      
925-679 9 OKLYCA11RPA  9740 PACIFIC BELL 722      
925-684 A BTISCA11RS0  9740 PACIFIC BELL 722      
925-684 0 BTISCA11RS0  9740 PACIFIC BELL 722      
925-684 1 BTISCA11RS0  9740 PACIFIC BELL 722      
925-684 2 BTISCA11RS0  9740 PACIFIC BELL 722      
925-684 3 BTISCA11RS0  9740 PACIFIC BELL 722      
925-684 4 OKLDCA03XOY  394L COMCAST PHONE OF CALIFORNIA, LLC 722   2007-05-03   
925-684 5 SNFCCAMKX1X  9262 UTILITY TELECOM GROUP, LLC - CA 722   2006-05-22   
925-684 6 SNFCCAMKDS3  649C ONVOY, LLC - CA 722   2013-03-29   
925-684 7 OKLDCA03XOY  394L COMCAST PHONE OF CALIFORNIA, LLC 722   2010-05-10   
925-684 8 SNFCCAMKDS3  649C ONVOY, LLC - CA 722   2016-03-11   
925-684 9 BTISCA11RS0  9740 PACIFIC BELL 722      
925-809 A SNJSCAYB0MD  671J U.S. TELEPACIFIC CORP. DBA TPX COMMUNICATIONS 722      
925-809 0 CNCRCADOCM5  6010 NEW CINGULAR WIRELESS PCS, LLC 722   2015-11-27   
925-809 1   145J TERRA NOVA TELECOM INC. 722   2024-04-23   
925-809 2 CNCRCADOCM5  6010 NEW CINGULAR WIRELESS PCS, LLC 722   2015-11-27   
925-809 3 SNJSCAYB0MD  671J U.S. TELEPACIFIC CORP. DBA TPX COMMUNICATIONS 722      
925-809 4 SNFCCAMKDS3  649C ONVOY, LLC - CA 722   2014-12-12   
925-809 5 CNCRCADOCM5  6010 NEW CINGULAR WIRELESS PCS, LLC 722   2014-07-21   
925-809 6 SNJUCACLDS1  373F PEERLESS NETWORK OF CALIFORNIA, LLC - CA 722   2013-03-29   
925-809 7 BRWDCA12DS0  9740 PACIFIC BELL 722   2004-06-20   
925-809 8 SNFCCAMKDS3  649C ONVOY, LLC - CA 722   2016-03-11   
925-809 9 SNJSCAYB0MD  671J U.S. TELEPACIFIC CORP. DBA TPX COMMUNICATIONS 722      
925-832 A SNJUCACL9MD  516J TON80 COMMUNICATIONS, LLC 722      
925-832 0 SNFCCA21XUY  981E BANDWIDTH.COM CLEC, LLC - CA 722   2022-08-06   
925-832 1 SNFCCA21XUY  981E BANDWIDTH.COM CLEC, LLC - CA 722   2022-08-06   
925-832 2 SNFCCA21XUY  981E BANDWIDTH.COM CLEC, LLC - CA 722   2022-08-06   
925-832 3 SNFCCA21XUY  981E BANDWIDTH.COM CLEC, LLC - CA 722   2022-08-06   
925-832 4 SNJUCACL9MD  516J TON80 COMMUNICATIONS, LLC 722   2022-04-02   
925-832 5 SNFCCA21XUY  981E BANDWIDTH.COM CLEC, LLC - CA 722   2022-08-06   
925-832 6 SNJUCACL00Z  490J BOOST SUBSCRIBERCO L.L.C. 722   2023-02-16   
925-832 7 SNFCCAMKDS3  649C ONVOY, LLC - CA 722   2022-11-14   
925-832 8 SNFCCAMKDS3  649C ONVOY, LLC - CA 722   2022-11-14   
925-832 9 CNCRCADOCM5  6010 NEW CINGULAR WIRELESS PCS, LLC 722   2022-04-10   

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Last updated: Tue, 01 Sep 2026 00:40:05 UTC

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