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
510-438 1 Fremont-Newark: Oliver DA CA 981E BANDWIDTH.COM CLEC, LLC - CA 722   2021-01-08   
510-438 3 Fremont-Newark: Oliver DA CA 981E BANDWIDTH.COM CLEC, LLC - CA 722   2021-01-08   
510-440 3 Fremont-Newark: Oliver DA CA 981E BANDWIDTH.COM CLEC, LLC - CA 722   2021-01-08   
510-455 2 Crockett CA 981E BANDWIDTH.COM CLEC, LLC - CA 722   2014-07-04   
510-455 3 Crockett CA 981E BANDWIDTH.COM CLEC, LLC - CA 722   2015-02-14   
510-456 0 Fremont-Newark: Main DA CA 981E BANDWIDTH.COM CLEC, LLC - CA 722   2011-08-26   
510-457 0 Oakland: Main-Piedmont DA CA 981E BANDWIDTH.COM CLEC, LLC - CA 722   2014-10-10   
510-457 1 Oakland: Main-Piedmont DA CA 981E BANDWIDTH.COM CLEC, LLC - CA 722   2010-02-26   
510-458 2 Fremont-Newark: Main DA CA 981E BANDWIDTH.COM CLEC, LLC - CA 722   2015-04-18   
510-462 2 Fremont-Newark: Greenleaf DA CA 981E BANDWIDTH.COM CLEC, LLC - CA 722   2016-07-29   
510-463 1 Oakland: Main-Piedmont DA CA 981E BANDWIDTH.COM CLEC, LLC - CA 722   2010-02-26   
510-463 4 Oakland: Main-Piedmont DA CA 981E BANDWIDTH.COM CLEC, LLC - CA 722   2011-05-07   
510-467 0 Oakland: Fruitvale DA CA 981E BANDWIDTH.COM CLEC, LLC - CA 722   2011-05-07   
510-469 0 Oakland: Main-Piedmont DA CA 981E BANDWIDTH.COM CLEC, LLC - CA 722   2014-10-10   
510-470 A Hayward CA 981E BANDWIDTH.COM CLEC, LLC - CA 722      
510-470 0 Hayward CA 981E BANDWIDTH.COM CLEC, LLC - CA 722   2010-04-22   
510-470 1 Hayward CA 981E BANDWIDTH.COM CLEC, LLC - CA 722   2010-04-22   
510-470 4 Hayward CA 981E BANDWIDTH.COM CLEC, LLC - CA 722   2011-01-19   
510-470 5 Hayward CA 981E BANDWIDTH.COM CLEC, LLC - CA 722   2010-06-21   
510-470 6 Hayward CA 981E BANDWIDTH.COM CLEC, LLC - CA 722   2010-06-21   
510-470 7 Hayward CA 981E BANDWIDTH.COM CLEC, LLC - CA 722   2010-06-21   
510-470 9 Hayward CA 981E BANDWIDTH.COM CLEC, LLC - CA 722   2010-09-09   
510-473 2 Oakland: Alameda DA CA 981E BANDWIDTH.COM CLEC, LLC - CA 722   2009-11-21   
510-473 5 Oakland: Alameda DA CA 981E BANDWIDTH.COM CLEC, LLC - CA 722   2009-11-21   
510-473 6 Oakland: Alameda DA CA 981E BANDWIDTH.COM CLEC, LLC - CA 722   2009-11-21   
510-473 7 Oakland: Alameda DA CA 981E BANDWIDTH.COM CLEC, LLC - CA 722   2009-11-21   
510-473 8 Oakland: Alameda DA CA 981E BANDWIDTH.COM CLEC, LLC - CA 722   2013-06-07   
510-474 0 Fremont-Newark: Greenleaf DA CA 981E BANDWIDTH.COM CLEC, LLC - CA 722   2014-10-10   
510-479 0 Oakland: Fruitvale DA CA 981E BANDWIDTH.COM CLEC, LLC - CA 722   2010-09-09   
510-480 0 El Sobrante-Pinole CA 981E BANDWIDTH.COM CLEC, LLC - CA 722   2014-08-02   
510-480 1 El Sobrante-Pinole CA 981E BANDWIDTH.COM CLEC, LLC - CA 722   2014-10-25   
510-485 0 Oakland: Fruitvale DA CA 981E BANDWIDTH.COM CLEC, LLC - CA 722   2011-05-07   
510-485 9 Oakland: Fruitvale DA CA 981E BANDWIDTH.COM CLEC, LLC - CA 722   2010-02-26   
510-488 5 Oakland: Fruitvale DA CA 981E BANDWIDTH.COM CLEC, LLC - CA 722   2021-05-06   
510-495 0 Oakland: Berkeley DA CA 981E BANDWIDTH.COM CLEC, LLC - CA 722   2010-10-28   
510-495 6 Oakland: Berkeley DA CA 981E BANDWIDTH.COM CLEC, LLC - CA 722   2005-03-22   
510-497 0 Fremont-Newark: Oliver DA CA 981E BANDWIDTH.COM CLEC, LLC - CA 722   2010-06-21   
510-497 1 Fremont-Newark: Oliver DA CA 981E BANDWIDTH.COM CLEC, LLC - CA 722   2014-10-10   
510-497 4 Fremont-Newark: Oliver DA CA 981E BANDWIDTH.COM CLEC, LLC - CA 722   2014-10-10   
510-500 5 Oakland: Fruitvale DA CA 981E BANDWIDTH.COM CLEC, LLC - CA 722   2011-05-07   
510-505 8 Fremont-Newark: Main DA CA 981E BANDWIDTH.COM CLEC, LLC - CA 722   2019-08-04   
510-516 A Fremont-Newark: Main DA CA 981E BANDWIDTH.COM CLEC, LLC - CA 722      
510-516 0 Fremont-Newark: Main DA CA 981E BANDWIDTH.COM CLEC, LLC - CA 722   2010-11-01   
510-516 1 Fremont-Newark: Main DA CA 981E BANDWIDTH.COM CLEC, LLC - CA 722   2011-05-22   
510-516 2 Fremont-Newark: Main DA CA 981E BANDWIDTH.COM CLEC, LLC - CA 722   2011-05-22   
510-516 3 Fremont-Newark: Main DA CA 981E BANDWIDTH.COM CLEC, LLC - CA 722   2011-05-22   
510-516 4 Fremont-Newark: Main DA CA 981E BANDWIDTH.COM CLEC, LLC - CA 722   2011-05-22   
510-516 6 Fremont-Newark: Main DA CA 981E BANDWIDTH.COM CLEC, LLC - CA 722   2012-04-09   
510-518 6 Fremont-Newark: Main DA CA 981E BANDWIDTH.COM CLEC, LLC - CA 722   2019-06-15   
510-519 1 Oakland: Alameda DA CA 981E BANDWIDTH.COM CLEC, LLC - CA 722   2019-02-11   

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

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