Local Calling Guide

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Search area code/prefix (NPA/NXX)
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NPA-NXX BLOCK Rate Centre Region OCN LATA LIR Eff date Disc date
510-275 7 El Sobrante-Pinole CA 8826 LEVEL 3 COMMUNICATIONS, LLC - CA 722   2011-10-10   
510-279 A Fremont-Newark: Oliver DA CA 8826 LEVEL 3 COMMUNICATIONS, LLC - CA 722      
510-279 1 Fremont-Newark: Oliver DA CA 8826 LEVEL 3 COMMUNICATIONS, LLC - CA 722      
510-279 3 Fremont-Newark: Oliver DA CA 8826 LEVEL 3 COMMUNICATIONS, LLC - CA 722   2005-01-07   
510-279 4 Fremont-Newark: Oliver DA CA 8826 LEVEL 3 COMMUNICATIONS, LLC - CA 722   2003-03-04   
510-284 2 Fremont-Newark: Main DA CA 8826 LEVEL 3 COMMUNICATIONS, LLC - CA 722   2010-11-27   
510-291 4 Oakland: Main-Piedmont DA CA 8826 LEVEL 3 COMMUNICATIONS, LLC - CA 722   2004-09-13   
510-292 4 Oakland: Berkeley DA CA 8826 LEVEL 3 COMMUNICATIONS, LLC - CA 722   2006-06-04   
510-295 4 Oakland: Berkeley DA CA 8826 LEVEL 3 COMMUNICATIONS, LLC - CA 722   2003-01-10   
510-296 A Hercules-Rodeo CA 8826 LEVEL 3 COMMUNICATIONS, LLC - CA 722      
510-296 0 Hercules-Rodeo CA 8826 LEVEL 3 COMMUNICATIONS, LLC - CA 722   2014-05-12   
510-296 4 Hercules-Rodeo CA 8826 LEVEL 3 COMMUNICATIONS, LLC - CA 722   2004-01-13   
510-296 5 Hercules-Rodeo CA 8826 LEVEL 3 COMMUNICATIONS, LLC - CA 722   2007-05-23   
510-296 6 Hercules-Rodeo CA 8826 LEVEL 3 COMMUNICATIONS, LLC - CA 722   2010-10-31   
510-314 8 Hayward CA 8826 LEVEL 3 COMMUNICATIONS, LLC - CA 722   2008-07-18   
510-315 A Hayward CA 8826 LEVEL 3 COMMUNICATIONS, LLC - CA 722      
510-323 2 Richmond CA 8826 LEVEL 3 COMMUNICATIONS, LLC - CA 722   2005-01-26   
510-323 4 Richmond CA 8826 LEVEL 3 COMMUNICATIONS, LLC - CA 722   2004-10-19   
510-328 4 Oakland: Fruitvale DA CA 8826 LEVEL 3 COMMUNICATIONS, LLC - CA 722   2013-12-28   
510-338 4 Oakland: Main-Piedmont DA CA 8826 LEVEL 3 COMMUNICATIONS, LLC - CA 722   2002-10-29   
510-342 3 Hayward CA 8826 LEVEL 3 COMMUNICATIONS, LLC - CA 722   2009-11-02   
510-342 5 Hayward CA 8826 LEVEL 3 COMMUNICATIONS, LLC - CA 722   2004-07-14   
510-343 5 Oakland: Trinidad DA CA 8826 LEVEL 3 COMMUNICATIONS, LLC - CA 722   2005-12-17   
510-343 6 Oakland: Trinidad DA CA 8826 LEVEL 3 COMMUNICATIONS, LLC - CA 722   2005-12-17   
510-343 7 Oakland: Trinidad DA CA 8826 LEVEL 3 COMMUNICATIONS, LLC - CA 722   2013-03-27   
510-344 2 Fremont-Newark: Oliver DA CA 8826 LEVEL 3 COMMUNICATIONS, LLC - CA 722   2009-04-27   
510-344 5 Fremont-Newark: Oliver DA CA 8826 LEVEL 3 COMMUNICATIONS, LLC - CA 722   2008-06-03   
510-344 6 Fremont-Newark: Oliver DA CA 8826 LEVEL 3 COMMUNICATIONS, LLC - CA 722   2008-06-03   
510-344 8 Fremont-Newark: Oliver DA CA 8826 LEVEL 3 COMMUNICATIONS, LLC - CA 722      
510-356 0 Oakland: Berkeley DA CA 8826 LEVEL 3 COMMUNICATIONS, LLC - CA 722   2008-05-14   
510-356 2 Oakland: Berkeley DA CA 8826 LEVEL 3 COMMUNICATIONS, LLC - CA 722   2008-06-03   
510-358 4 Fremont-Newark: Main DA CA 8826 LEVEL 3 COMMUNICATIONS, LLC - CA 722   2011-08-29   
510-362 0 Hayward CA 8826 LEVEL 3 COMMUNICATIONS, LLC - CA 722   2013-07-21   
510-362 7 Hayward CA 8826 LEVEL 3 COMMUNICATIONS, LLC - CA 722   2014-06-10   
510-371 A Fremont-Newark: Main DA CA 8826 LEVEL 3 COMMUNICATIONS, LLC - CA 722      
510-371 0 Fremont-Newark: Main DA CA 8826 LEVEL 3 COMMUNICATIONS, LLC - CA 722   2008-10-12   
510-374 4 Richmond CA 8826 LEVEL 3 COMMUNICATIONS, LLC - CA 722   2006-07-14   
510-379 4 Oakland: Main-Piedmont DA CA 8826 LEVEL 3 COMMUNICATIONS, LLC - CA 722   2010-09-03   
510-379 5 Oakland: Main-Piedmont DA CA 8826 LEVEL 3 COMMUNICATIONS, LLC - CA 722   2005-06-04   
510-379 7 Oakland: Main-Piedmont DA CA 8826 LEVEL 3 COMMUNICATIONS, LLC - CA 722   2005-06-04   
510-379 9 Oakland: Main-Piedmont DA CA 8826 LEVEL 3 COMMUNICATIONS, LLC - CA 722   2010-01-22   
510-380 8 Oakland: Main-Piedmont DA CA 8826 LEVEL 3 COMMUNICATIONS, LLC - CA 722   2006-04-27   
510-394 1 Oakland: Trinidad DA CA 8826 LEVEL 3 COMMUNICATIONS, LLC - CA 722   2008-07-28   
510-394 3 Oakland: Trinidad DA CA 8826 LEVEL 3 COMMUNICATIONS, LLC - CA 722   2008-10-23   
510-398 6 Hayward CA 8826 LEVEL 3 COMMUNICATIONS, LLC - CA 722   2013-01-12   
510-400 4 Fremont-Newark: Greenleaf DA CA 8826 LEVEL 3 COMMUNICATIONS, LLC - CA 722   2003-01-10   
510-400 6 Fremont-Newark: Greenleaf DA CA 8826 LEVEL 3 COMMUNICATIONS, LLC - CA 722   2013-01-24   
510-400 7 Fremont-Newark: Greenleaf DA CA 8826 LEVEL 3 COMMUNICATIONS, LLC - CA 722   2004-12-22   
510-400 8 Fremont-Newark: Greenleaf DA CA 8826 LEVEL 3 COMMUNICATIONS, LLC - CA 722   2005-04-23   
510-402 1 Fremont-Newark: Main DA CA 8826 LEVEL 3 COMMUNICATIONS, LLC - CA 722   2009-04-27   
510-402 4 Fremont-Newark: Main DA CA 8826 LEVEL 3 COMMUNICATIONS, LLC - CA 722   2001-07-24   
510-403 8 Fremont-Newark: Oliver DA CA 8826 LEVEL 3 COMMUNICATIONS, LLC - CA 722   2011-06-24   
510-417 3 El Sobrante-Pinole CA 8826 LEVEL 3 COMMUNICATIONS, LLC - CA 722   2008-11-25   
510-417 4 El Sobrante-Pinole CA 8826 LEVEL 3 COMMUNICATIONS, LLC - CA 722   2004-01-13   
510-423 0 Oakland: Berkeley DA CA 8826 LEVEL 3 COMMUNICATIONS, LLC - CA 722   2009-08-10   
510-447 1 Richmond CA 8826 LEVEL 3 COMMUNICATIONS, LLC - CA 722   2013-06-17   
510-454 8 Oakland: Trinidad DA CA 8826 LEVEL 3 COMMUNICATIONS, LLC - CA 722   2013-03-10   
510-455 4 Crockett CA 8826 LEVEL 3 COMMUNICATIONS, LLC - CA 722   2004-04-10   
510-460 1 Hayward CA 8826 LEVEL 3 COMMUNICATIONS, LLC - CA 722   2010-06-13   
510-466 1 Oakland: Main-Piedmont DA CA 8826 LEVEL 3 COMMUNICATIONS, LLC - CA 722   2013-12-28   
510-474 1 Fremont-Newark: Greenleaf DA CA 8826 LEVEL 3 COMMUNICATIONS, LLC - CA 722   2005-09-17   
510-478 9 Richmond CA 8826 LEVEL 3 COMMUNICATIONS, LLC - CA 722   2012-01-15   
510-488 2 Oakland: Fruitvale DA CA 8826 LEVEL 3 COMMUNICATIONS, LLC - CA 722   2011-09-18   
510-488 3 Oakland: Fruitvale DA CA 8826 LEVEL 3 COMMUNICATIONS, LLC - CA 722   2005-06-04   
510-488 4 Oakland: Fruitvale DA CA 8826 LEVEL 3 COMMUNICATIONS, LLC - CA 722   2005-06-04   
510-488 6 Oakland: Fruitvale DA CA 8826 LEVEL 3 COMMUNICATIONS, LLC - CA 722   2011-04-09   
510-493 2 Fremont-Newark: Main DA CA 8826 LEVEL 3 COMMUNICATIONS, LLC - CA 722   2006-05-24   
510-493 7 Fremont-Newark: Main DA CA 8826 LEVEL 3 COMMUNICATIONS, LLC - CA 722   2005-05-14   
510-500 4 Oakland: Fruitvale DA CA 8826 LEVEL 3 COMMUNICATIONS, LLC - CA 722   2006-03-05   
510-500 8 Oakland: Fruitvale DA CA 8826 LEVEL 3 COMMUNICATIONS, LLC - CA 722   2012-03-05   
510-500 9 Oakland: Fruitvale DA CA 8826 LEVEL 3 COMMUNICATIONS, LLC - CA 722   2012-07-22   
510-506 7 Oakland: Main-Piedmont DA CA 8826 LEVEL 3 COMMUNICATIONS, LLC - CA 722   2015-08-30   
510-509 A Fremont-Newark: Main DA CA 8826 LEVEL 3 COMMUNICATIONS, LLC - CA 722      
510-509 1 Fremont-Newark: Main DA CA 8826 LEVEL 3 COMMUNICATIONS, LLC - CA 722   2010-08-27   
510-545 4 Oakland: Alameda DA CA 8826 LEVEL 3 COMMUNICATIONS, LLC - CA 722   2005-01-07   
510-556 A Fremont-Newark: Main DA CA 8826 LEVEL 3 COMMUNICATIONS, LLC - CA 722      
510-556 2 Fremont-Newark: Main DA CA 8826 LEVEL 3 COMMUNICATIONS, LLC - CA 722   2014-06-26   
510-564 7 Oakland: Trinidad DA CA 8826 LEVEL 3 COMMUNICATIONS, LLC - CA 722   2007-11-01   
510-564 9 Oakland: Trinidad DA CA 8826 LEVEL 3 COMMUNICATIONS, LLC - CA 722   2011-12-05   
510-565 7 Fremont-Newark: Main DA CA 8826 LEVEL 3 COMMUNICATIONS, LLC - CA 722   2004-09-02   
510-567 4 Oakland: Trinidad DA CA 8826 LEVEL 3 COMMUNICATIONS, LLC - CA 722   2004-01-13   
510-570 3 Oakland: Berkeley DA CA 8826 LEVEL 3 COMMUNICATIONS, LLC - CA 722   2016-12-23   
510-573 5 Fremont-Newark: Oliver DA CA 8826 LEVEL 3 COMMUNICATIONS, LLC - CA 722   2006-03-13   
510-574 7 Fremont-Newark: Main DA CA 8826 LEVEL 3 COMMUNICATIONS, LLC - CA 722   2009-12-17   
510-578 4 Fremont-Newark: Main DA CA 8826 LEVEL 3 COMMUNICATIONS, LLC - CA 722   2006-09-01   
510-584 9 Hayward CA 8826 LEVEL 3 COMMUNICATIONS, LLC - CA 722   2011-06-12   
510-585 9 Fremont-Newark: Main DA CA 8826 LEVEL 3 COMMUNICATIONS, LLC - CA 722   2005-05-14   
510-587 9 Oakland: Main-Piedmont DA CA 8826 LEVEL 3 COMMUNICATIONS, LLC - CA 722   2012-09-03   
510-592 A Hercules-Rodeo CA 8826 LEVEL 3 COMMUNICATIONS, LLC - CA 722      
510-592 9 Hercules-Rodeo CA 8826 LEVEL 3 COMMUNICATIONS, LLC - CA 722      
510-605 4 Hayward CA 8826 LEVEL 3 COMMUNICATIONS, LLC - CA 722   2018-03-24   
510-606 9 Hayward CA 8826 LEVEL 3 COMMUNICATIONS, LLC - CA 722   2010-11-27   
510-619 A Richmond CA 8826 LEVEL 3 COMMUNICATIONS, LLC - CA 722      
510-619 3 Richmond CA 8826 LEVEL 3 COMMUNICATIONS, LLC - CA 722      
510-619 9 Richmond CA 8826 LEVEL 3 COMMUNICATIONS, LLC - CA 722      
510-629 A Oakland: Alameda DA CA 8826 LEVEL 3 COMMUNICATIONS, LLC - CA 722      
510-629 4 Oakland: Alameda DA CA 8826 LEVEL 3 COMMUNICATIONS, LLC - CA 722   2005-09-22   
510-629 5 Oakland: Alameda DA CA 8826 LEVEL 3 COMMUNICATIONS, LLC - CA 722   2005-09-22   
510-629 6 Oakland: Alameda DA CA 8826 LEVEL 3 COMMUNICATIONS, LLC - CA 722   2005-09-22   
510-648 3 Fremont-Newark: Main DA CA 8826 LEVEL 3 COMMUNICATIONS, LLC - CA 722   2007-11-19   

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Last updated: Sat, 05 Apr 2025 03:03:23 UTC

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