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
925-260 9 Walnut Creek CA 6529 T-MOBILE USA, INC. 722      
925-262 6 Walnut Creek CA 5562 METROPCS, INC. 722   2008-10-06   
925-262 7 Walnut Creek CA 6529 T-MOBILE USA, INC. 722   2004-07-17   
925-265 3 Concord CA 5562 METROPCS, INC. 722   2004-01-13   
925-269 5 Martinez CA 5562 METROPCS, INC. 722   2022-05-30   
925-273 4 Livermore CA 5562 METROPCS, INC. 722   2010-05-29   
925-278 8 Walnut Creek CA 6529 T-MOBILE USA, INC. 722   2014-01-11   
925-278 9 Walnut Creek CA 5562 METROPCS, INC. 722   2014-01-05   
925-282 5 Lafayette CA 6529 T-MOBILE USA, INC. 722   2019-01-12   
925-289 6 Walnut Creek CA 6529 T-MOBILE USA, INC. 722   2010-01-12   
925-293 6 Martinez CA 6529 T-MOBILE USA, INC. 722   2009-06-11   
925-297 7 Lafayette CA 6529 T-MOBILE USA, INC. 722   2002-12-22   
925-297 9 Lafayette CA 6529 T-MOBILE USA, INC. 722   2002-12-01   
925-300 A Walnut Creek CA 6529 T-MOBILE USA, INC. 722      
925-300 5 Walnut Creek CA 6529 T-MOBILE USA, INC. 722   2004-11-13   
925-300 6 Walnut Creek CA 6529 T-MOBILE USA, INC. 722   2004-11-26   
925-300 7 Walnut Creek CA 6529 T-MOBILE USA, INC. 722   2005-09-10   
925-300 8 Walnut Creek CA 6529 T-MOBILE USA, INC. 722   2005-06-11   
925-301 0 Antioch CA 6529 T-MOBILE USA, INC. 722   2010-08-07   
925-301 3 Antioch CA 6529 T-MOBILE USA, INC. 722   2010-01-13   
925-301 5 Antioch CA 6529 T-MOBILE USA, INC. 722   2005-01-15   
925-303 3 Antioch CA 6529 T-MOBILE USA, INC. 722   2007-03-24   
925-303 7 Antioch CA 6529 T-MOBILE USA, INC. 722   2009-01-19   
925-305 0 Concord CA 5562 METROPCS, INC. 722   2006-01-17   
925-305 1 Concord CA 5562 METROPCS, INC. 722   2006-12-05   
925-305 3 Concord CA 5562 METROPCS, INC. 722   2006-11-05   
925-305 4 Concord CA 5562 METROPCS, INC. 722   2005-11-11   
925-305 5 Concord CA 5562 METROPCS, INC. 722   2004-11-30   
925-305 6 Concord CA 5562 METROPCS, INC. 722   2004-11-02   
925-305 7 Concord CA 5562 METROPCS, INC. 722   2004-01-03   
925-305 8 Concord CA 5562 METROPCS, INC. 722   2003-01-28   
925-305 9 Concord CA 5562 METROPCS, INC. 722   2003-11-22   
925-309 9 Danville CA 6529 T-MOBILE USA, INC. 722   2011-01-07   
925-316 3 Martinez CA 6529 T-MOBILE USA, INC. 722   2015-03-17   
925-316 5 Martinez CA 6529 T-MOBILE USA, INC. 722   2015-03-17   
925-316 8 Martinez CA 6529 T-MOBILE USA, INC. 722   2015-03-17   
925-317 2 Orinda CA 6529 T-MOBILE USA, INC. 722   2011-02-07   
925-317 4 Orinda CA 6529 T-MOBILE USA, INC. 722   2015-03-02   
925-319 A Sunol CA 6529 T-MOBILE USA, INC. 722      
925-319 3 Sunol CA 6529 T-MOBILE USA, INC. 722   2021-09-18   
925-319 7 Sunol CA 6529 T-MOBILE USA, INC. 722   2002-12-22   
925-319 8 Sunol CA 6529 T-MOBILE USA, INC. 722   2024-03-30   
925-320 1 Moraga CA 6529 T-MOBILE USA, INC. 722   2013-09-03   
925-325 A Antioch CA 6529 T-MOBILE USA, INC. 722      
925-329 1 Antioch CA 6529 T-MOBILE USA, INC. 722   2015-08-28   
925-329 2 Antioch CA 6529 T-MOBILE USA, INC. 722   2015-08-28   
925-329 5 Antioch CA 6529 T-MOBILE USA, INC. 722   2014-11-23   
925-329 7 Antioch CA 6529 T-MOBILE USA, INC. 722   2014-10-24   
925-329 8 Antioch CA 6529 T-MOBILE USA, INC. 722   2014-10-24   
925-329 9 Antioch CA 6529 T-MOBILE USA, INC. 722   2014-10-24   

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Last updated: Thu, 05 Feb 2026 23:41:55 UTC

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