Local Calling Guide

Area code/prefix search

Search area code/prefix (NPA/NXX)
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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   7610 COMCAST PHONE OF CALIFORNIA, LLC - CA 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   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 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 WNCKCAGEDS0  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   7610 COMCAST PHONE OF CALIFORNIA, LLC - CA 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   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   222H LOCAL ACCESS SERVICES LLC - CA 722   2016-09-15   
925-390 5   7610 COMCAST PHONE OF CALIFORNIA, LLC - CA 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 GROUP - SAN FRANCISCO 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   8322 MPOWER COMMUNICATIONS CORP - CA 722   2003-09-30   
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   

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Last updated: Tue, 31 Dec 2019 02:37:20 UTC

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