Local Calling Guide

Area code/prefix search

Search area code/prefix (NPA/NXX)
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OCN: 394L COMCAST PHONE OF CALIFORNIA, LLC

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NPA-NXX BLOCK Rate Centre Region Switch LATA LIR Eff date Disc date
925-350 0 Antioch CA   722   2011-11-11   
925-355 5 Bishop Ranch CA   722   2013-09-20   
925-359 6 Bishop Ranch CA   722   2013-10-24   
925-361 0 Dublin-San Ramon CA   722      
925-361 5 Dublin-San Ramon CA   722      
925-361 7 Dublin-San Ramon CA   722      
925-361 8 Dublin-San Ramon CA   722      
925-362 3 Danville CA   722   2009-06-08   
925-364 7 Dublin-San Ramon CA   722   2011-10-03   
925-365 1 Bishop Ranch CA   722      
925-374 4 Martinez CA   722   2015-08-13   
925-375 1 Concord CA   722   2017-04-11   
925-378 7 Walnut Creek CA   722   2015-04-09   
925-380 6 Bishop Ranch CA   722   2010-09-19   
925-385 0 Lafayette CA   722      
925-386 0 Orinda CA   722      
925-387 0 Martinez CA   722      
925-387 8 Martinez CA   722   2012-12-21   
925-388 0 Moraga CA   722      
925-390 5 East Contra Costa CA   722   2016-09-16   
925-393 5 Walnut Creek CA   722   2015-09-18   
925-398 8 Pleasanton CA   722      
925-399 A Pleasanton CA   722      
925-399 5 Pleasanton CA   722      
925-399 6 Pleasanton CA   722      
925-401 6 Pleasanton CA   722   2022-11-02   
925-402 2 Orinda CA   722   2015-05-04   
925-403 2 Lafayette CA   722   2019-05-09   
925-406 2 Danville CA   722   2019-05-09   
925-406 4 Danville CA   722   2008-03-18   
925-409 2 Livermore CA   722   2018-01-11   
925-418 4 East Contra Costa CA   722   2008-12-26   
925-420 3 East Contra Costa CA   722   2014-10-02   
925-420 5 East Contra Costa CA   722   2006-11-02   
925-420 6 East Contra Costa CA   722   2006-11-02   
925-425 0 Pleasanton CA   722      
925-425 9 Pleasanton CA   722      
925-430 A Walnut Creek CA   722      
925-430 2 Walnut Creek CA   722   2019-11-30   
925-433 A Walnut Creek CA   722      
925-433 2 Walnut Creek CA   722   2015-12-17   
925-433 5 Walnut Creek CA   722   2016-01-18   
925-436 3 Antioch CA   722   2018-10-23   
925-448 2 Walnut Creek CA   722   2014-08-10   
925-453 6 Livermore CA   722   2014-07-26   
925-464 7 Walnut Creek CA   722   2013-03-07   
925-470 3 Antioch CA   722      
925-481 2 Antioch CA   722   2014-08-10   
925-482 0 Walnut Creek CA   722   2011-07-07   
925-483 A Concord CA   722      
925-483 2 Concord CA   722   2015-06-07   
925-493 7 Livermore CA   722   2012-05-12   
925-495 4 Livermore CA   722   2017-04-18   
925-503 2 Antioch CA   722   2018-06-29   
925-510 2 Concord CA   722   2018-06-29   
925-513 5 East Contra Costa CA   722   2011-09-26   
925-523 2 Pleasanton CA   722   2022-10-10   
925-523 3 Pleasanton CA   722   2007-04-20   
925-533 5 Livermore CA   722   2020-11-16   
925-533 8 Livermore CA   722   2020-11-16   
925-546 0 Walnut Creek CA   722   2023-06-17   
925-546 1 Walnut Creek CA   722   2023-06-17   
925-546 3 Walnut Creek CA   722   2023-06-17   
925-546 5 Walnut Creek CA   722   2023-06-17   
925-553 7 Danville CA   722   2011-09-30   
925-568 0 Sunol CA   722      
925-579 2 Livermore CA   722   2013-09-18   
925-587 1 Dublin-San Ramon CA   722   2014-07-14   
925-587 2 Dublin-San Ramon CA   722   2020-02-21   
925-592 0 Moraga CA   722   2015-08-05   
925-626 7 East Contra Costa CA   722   2008-06-10   
925-626 8 East Contra Costa CA   722   2015-10-12   
925-635 3 Pittsburg CA   722   2013-10-21   
925-666 8 East Contra Costa CA   722   2014-04-11   
925-667 4 Livermore CA   722   2015-08-11   
925-679 4 East Contra Costa CA   722   2015-12-03   
925-684 4 East Contra Costa CA   722   2007-05-03   
925-684 7 East Contra Costa CA   722   2010-05-10   
925-693 0 Clayton CA   722      
925-705 7 Walnut Creek CA   722   2008-07-18   
925-718 8 Danville CA   722   2014-07-18   
925-725 4 Danville CA   722   2018-06-15   
925-732 7 Antioch CA   722   2013-01-18   
925-750 7 Pleasanton CA   722   2014-06-13   
925-758 4 Livermore CA   722   2020-02-21   
925-775 0 Antioch CA   722   2020-10-12   
925-775 4 Antioch CA   722   2010-04-29   
925-775 6 Antioch CA   722   2020-10-12   
925-800 5 Livermore CA   722   2014-11-12   
925-804 6 Bishop Ranch CA   722      
925-826 5 Concord CA   722   2009-04-06   
925-844 2 Clayton CA   722   2023-02-06   
925-849 4 Concord CA   722   2006-12-28   
925-849 5 Concord CA   722   2006-12-28   
925-849 6 Concord CA   722   2006-12-28   
925-854 2 Danville CA   722   2015-11-18   
925-889 9 Clayton CA   722   2011-03-24   
925-891 4 Walnut Creek CA   722   2008-02-05   
925-949 8 Walnut Creek CA   722      
925-954 1 Walnut Creek CA   722   2010-07-16   

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Last updated: Tue, 16 Jun 2026 00:09:45 UTC

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