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
510-214 3 Oakland: Alameda DA CA 981E BANDWIDTH.COM CLEC, LLC - CA 722   2009-11-21   
510-214 6 Oakland: Alameda DA CA 981E BANDWIDTH.COM CLEC, LLC - CA 722   2009-11-21   
510-216 3 Oakland: Fruitvale DA CA 981E BANDWIDTH.COM CLEC, LLC - CA 722   2020-05-08   
510-216 4 Oakland: Fruitvale DA CA 981E BANDWIDTH.COM CLEC, LLC - CA 722   2020-05-08   
510-216 5 Oakland: Fruitvale DA CA 981E BANDWIDTH.COM CLEC, LLC - CA 722   2020-05-08   
510-216 6 Oakland: Fruitvale DA CA 981E BANDWIDTH.COM CLEC, LLC - CA 722   2020-05-08   
510-216 7 Oakland: Fruitvale DA CA 981E BANDWIDTH.COM CLEC, LLC - CA 722   2020-05-08   
510-221 0 Richmond CA 981E BANDWIDTH.COM CLEC, LLC - CA 722   2010-10-28   
510-221 3 Richmond CA 981E BANDWIDTH.COM CLEC, LLC - CA 722   2010-10-28   
510-221 6 Richmond CA 981E BANDWIDTH.COM CLEC, LLC - CA 722   2010-12-13   
510-224 3 Hercules-Rodeo CA 981E BANDWIDTH.COM CLEC, LLC - CA 722   2011-03-02   
510-224 4 Hercules-Rodeo CA 981E BANDWIDTH.COM CLEC, LLC - CA 722   2010-02-26   
510-224 5 Hercules-Rodeo CA 981E BANDWIDTH.COM CLEC, LLC - CA 722   2010-09-19   
510-224 9 Hercules-Rodeo CA 981E BANDWIDTH.COM CLEC, LLC - CA 722   2014-07-04   
510-239 3 Oakland: Alameda DA CA 981E BANDWIDTH.COM CLEC, LLC - CA 722   2011-05-23   
510-239 7 Oakland: Alameda DA CA 981E BANDWIDTH.COM CLEC, LLC - CA 722   2011-05-23   
510-240 9 Fremont-Newark: Greenleaf DA CA 981E BANDWIDTH.COM CLEC, LLC - CA 722   2010-02-26   
510-241 2 El Sobrante-Pinole CA 981E BANDWIDTH.COM CLEC, LLC - CA 722   2016-07-30   
510-244 A Hayward CA 981E BANDWIDTH.COM CLEC, LLC - CA 722      
510-244 0 Hayward CA 981E BANDWIDTH.COM CLEC, LLC - CA 722   2011-09-24   
510-244 1 Hayward CA 981E BANDWIDTH.COM CLEC, LLC - CA 722   2011-09-24   
510-244 2 Hayward CA 981E BANDWIDTH.COM CLEC, LLC - CA 722   2011-09-27   
510-244 3 Hayward CA 981E BANDWIDTH.COM CLEC, LLC - CA 722   2011-09-27   
510-244 4 Hayward CA 981E BANDWIDTH.COM CLEC, LLC - CA 722   2011-09-27   
510-255 A Richmond CA 981E BANDWIDTH.COM CLEC, LLC - CA 722      
510-255 0 Richmond CA 981E BANDWIDTH.COM CLEC, LLC - CA 722   2011-06-27   
510-255 1 Richmond CA 981E BANDWIDTH.COM CLEC, LLC - CA 722   2011-06-27   
510-255 2 Richmond CA 981E BANDWIDTH.COM CLEC, LLC - CA 722   2011-06-27   
510-255 3 Richmond CA 981E BANDWIDTH.COM CLEC, LLC - CA 722   2011-06-27   
510-255 4 Richmond CA 981E BANDWIDTH.COM CLEC, LLC - CA 722   2011-08-28   
510-255 5 Richmond CA 981E BANDWIDTH.COM CLEC, LLC - CA 722   2011-08-28   
510-255 6 Richmond CA 981E BANDWIDTH.COM CLEC, LLC - CA 722   2011-08-28   
510-256 A Crockett CA 981E BANDWIDTH.COM CLEC, LLC - CA 722      
510-256 3 Crockett CA 981E BANDWIDTH.COM CLEC, LLC - CA 722   2013-04-29   
510-256 9 Crockett CA 981E BANDWIDTH.COM CLEC, LLC - CA 722   2010-08-28   
510-269 7 Oakland: Fruitvale DA CA 981E BANDWIDTH.COM CLEC, LLC - CA 722   2010-02-26   
510-270 0 Fremont-Newark: Oliver DA CA 981E BANDWIDTH.COM CLEC, LLC - CA 722   2014-12-05   
510-274 1 Hayward CA 981E BANDWIDTH.COM CLEC, LLC - CA 722   2010-02-26   
510-279 6 Fremont-Newark: Oliver DA CA 981E BANDWIDTH.COM CLEC, LLC - CA 722   2021-01-08   
510-279 8 Fremont-Newark: Oliver DA CA 981E BANDWIDTH.COM CLEC, LLC - CA 722   2011-06-23   
510-283 9 El Sobrante-Pinole CA 981E BANDWIDTH.COM CLEC, LLC - CA 722   2013-08-25   
510-284 5 Fremont-Newark: Main DA CA 981E BANDWIDTH.COM CLEC, LLC - CA 722   2014-10-30   
510-291 1 Oakland: Main-Piedmont DA CA 981E BANDWIDTH.COM CLEC, LLC - CA 722      
510-295 0 Oakland: Berkeley DA CA 981E BANDWIDTH.COM CLEC, LLC - CA 722      
510-296 8 Hercules-Rodeo CA 981E BANDWIDTH.COM CLEC, LLC - CA 722   2011-05-22   
510-296 9 Hercules-Rodeo CA 981E BANDWIDTH.COM CLEC, LLC - CA 722   2011-05-22   
510-298 0 Fremont-Newark: Main DA CA 981E BANDWIDTH.COM CLEC, LLC - CA 722   2013-01-24   
510-298 1 Fremont-Newark: Main DA CA 981E BANDWIDTH.COM CLEC, LLC - CA 722   2013-01-24   
510-306 1 Oakland: Alameda DA CA 981E BANDWIDTH.COM CLEC, LLC - CA 722   2010-08-29   
510-306 2 Oakland: Alameda DA CA 981E BANDWIDTH.COM CLEC, LLC - CA 722   2012-11-08   

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Last updated: Sat, 10 Oct 2026 15:24:20 UTC

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