Local Calling Guide

Area code/prefix search

Search area code/prefix (NPA/NXX)
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NPA-NXX BLOCK Rate Centre Region OCN LATA LIR Eff date Disc date
925-297 5 Lafayette CA 981E BANDWIDTH.COM CLEC, LLC - CA 722   2010-03-04   
925-298 2 Lafayette CA 981E BANDWIDTH.COM CLEC, LLC - CA 722   2010-09-19   
925-302 5 Bishop Ranch CA 981E BANDWIDTH.COM CLEC, LLC - CA 722   2022-09-03   
925-302 6 Bishop Ranch CA 981E BANDWIDTH.COM CLEC, LLC - CA 722   2011-06-03   
925-302 9 Bishop Ranch CA 981E BANDWIDTH.COM CLEC, LLC - CA 722   2010-02-26   
925-306 4 East Contra Costa CA 981E BANDWIDTH.COM CLEC, LLC - CA 722   2020-07-19   
925-307 6 Dublin-San Ramon CA 981E BANDWIDTH.COM CLEC, LLC - CA 722   2010-10-01   
925-307 9 Dublin-San Ramon CA 981E BANDWIDTH.COM CLEC, LLC - CA 722   2011-06-25   
925-308 5 East Contra Costa CA 981E BANDWIDTH.COM CLEC, LLC - CA 722   2010-05-23   
925-308 6 East Contra Costa CA 981E BANDWIDTH.COM CLEC, LLC - CA 722   2011-05-29   
925-309 5 Danville CA 981E BANDWIDTH.COM CLEC, LLC - CA 722   2011-10-21   
925-310 5 Lafayette CA 981E BANDWIDTH.COM CLEC, LLC - CA 722   2012-06-04   
925-315 5 Livermore CA 981E BANDWIDTH.COM CLEC, LLC - CA 722   2010-07-04   
925-315 7 Livermore CA 981E BANDWIDTH.COM CLEC, LLC - CA 722   2011-06-03   
925-315 9 Livermore CA 981E BANDWIDTH.COM CLEC, LLC - CA 722   2011-06-25   
925-317 A Orinda CA 981E BANDWIDTH.COM CLEC, LLC - CA 722      
925-317 1 Orinda CA 981E BANDWIDTH.COM CLEC, LLC - CA 722   2014-03-29   
925-317 6 Orinda CA 981E BANDWIDTH.COM CLEC, LLC - CA 722   2012-06-18   
925-318 1 Pittsburg CA 981E BANDWIDTH.COM CLEC, LLC - CA 722   2010-12-19   
925-318 5 Pittsburg CA 981E BANDWIDTH.COM CLEC, LLC - CA 722   2011-06-25   
925-319 4 Sunol CA 981E BANDWIDTH.COM CLEC, LLC - CA 722   2014-03-29   
925-322 A Walnut Creek CA 981E BANDWIDTH.COM CLEC, LLC - CA 722      
925-322 0 Walnut Creek CA 981E BANDWIDTH.COM CLEC, LLC - CA 722   2011-07-08   
925-322 1 Walnut Creek CA 981E BANDWIDTH.COM CLEC, LLC - CA 722   2011-07-08   
925-322 2 Walnut Creek CA 981E BANDWIDTH.COM CLEC, LLC - CA 722   2011-07-08   
925-322 6 Walnut Creek CA 981E BANDWIDTH.COM CLEC, LLC - CA 722   2011-08-28   
925-326 1 Concord CA 981E BANDWIDTH.COM CLEC, LLC - CA 722   2014-06-16   
925-326 7 Concord CA 981E BANDWIDTH.COM CLEC, LLC - CA 722   2014-06-16   
925-331 0 Antioch CA 981E BANDWIDTH.COM CLEC, LLC - CA 722   2010-11-16   
925-331 8 Antioch CA 981E BANDWIDTH.COM CLEC, LLC - CA 722   2010-12-10   
925-333 A Walnut Creek CA 9748 AMERICAN MESSAGING SERVICES, LLC 722      
925-335 6 Martinez CA 981E BANDWIDTH.COM CLEC, LLC - CA 722   2009-01-13   
925-336 3 Dublin-San Ramon CA 981E BANDWIDTH.COM CLEC, LLC - CA 722   2010-06-12   
925-338 A Concord CA 981E BANDWIDTH.COM CLEC, LLC - CA 722      
925-338 0 Concord CA 981E BANDWIDTH.COM CLEC, LLC - CA 722   2011-09-18   
925-338 1 Concord CA 981E BANDWIDTH.COM CLEC, LLC - CA 722   2011-09-18   
925-338 7 Concord CA 981E BANDWIDTH.COM CLEC, LLC - CA 722   2012-09-07   
925-338 9 Concord CA 981E BANDWIDTH.COM CLEC, LLC - CA 722   2012-02-19   
925-343 A Pleasanton CA 6906 AMERICAN MESSAGING SERVICES, LLC 722      
925-344 3 Livermore CA 981E BANDWIDTH.COM CLEC, LLC - CA 722   2011-08-15   
925-344 6 Livermore CA 981E BANDWIDTH.COM CLEC, LLC - CA 722   2011-08-26   
925-345 A Danville CA 9748 AMERICAN MESSAGING SERVICES, LLC 722      
925-347 A Livermore CA 9748 AMERICAN MESSAGING SERVICES, LLC 722      
925-359 9 Bishop Ranch CA 981E BANDWIDTH.COM CLEC, LLC - CA 722   2011-08-15   
925-361 2 Dublin-San Ramon CA 981E BANDWIDTH.COM CLEC, LLC - CA 722   2010-07-04   
925-364 4 Dublin-San Ramon CA 981E BANDWIDTH.COM CLEC, LLC - CA 722   2011-02-24   
925-364 5 Dublin-San Ramon CA 981E BANDWIDTH.COM CLEC, LLC - CA 722   2011-02-24   
925-365 6 Bishop Ranch CA 981E BANDWIDTH.COM CLEC, LLC - CA 722   2010-09-19   
925-369 2 Martinez CA 981E BANDWIDTH.COM CLEC, LLC - CA 722      
925-369 8 Martinez CA 981E BANDWIDTH.COM CLEC, LLC - CA 722   2016-09-05   

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Last updated: Tue, 31 Mar 2026 13:56:49 UTC

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