Local Calling Guide

Area code/prefix search

Search area code/prefix (NPA/NXX)
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OCN: 7240 MCI WORLDCOM COMMUNICATIONS, INC., CA

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NPA-NXX BLOCK Rate Centre Region Switch LATA LIR Eff date Disc date
925-273 3 Livermore CA   722   2008-07-24   
925-273 6 Livermore CA   722   2011-11-11   
925-278 5 Walnut Creek CA   722   2014-04-03   
925-293 3 Martinez CA   722   2011-09-15   
925-293 5 Martinez CA   722   2012-02-23   
925-298 A Lafayette CA HYWRCAMCDS0  722      
925-298 6 Lafayette CA   722   2012-01-12   
925-298 8 Lafayette CA   722   2011-09-15   
925-298 9 Lafayette CA   722      
925-307 2 Dublin-San Ramon CA   722   2020-07-11   
925-316 4 Martinez CA   722   2014-01-24   
925-326 3 Concord CA   722   2013-10-18   
925-331 6 Antioch CA   722   2011-01-10   
925-334 3 Concord CA   722   2011-11-08   
925-350 5 Antioch CA   722   2012-01-16   
925-357 4 Walnut Creek CA   722   2012-01-12   
925-364 A Dublin-San Ramon CA HYWRCAMCDS0  722      
925-364 6 Dublin-San Ramon CA   722   2013-01-23   
925-364 8 Dublin-San Ramon CA   722   2012-01-12   
925-364 9 Dublin-San Ramon CA   722      
925-377 6 Moraga CA   722   2017-07-10   
925-418 3 East Contra Costa CA   722   2008-07-24   
925-436 5 Antioch CA   722   2017-03-16   
925-446 3 Concord CA   722   2012-09-27   
925-499 A Concord CA   722   2018-01-25   
925-499 4 Concord CA   722   2018-01-25   
925-524 3 Clayton CA   722   2008-07-24   
925-524 6 Clayton CA   722   2012-01-12   
925-529 6 Antioch CA   722   2012-09-27   
925-529 8 Antioch CA   722   2011-09-15   
925-557 A Dublin-San Ramon CA HYWRCAMCDS0  722      
925-557 2 Dublin-San Ramon CA   722      
925-557 3 Dublin-San Ramon CA   722      
925-557 4 Dublin-San Ramon CA   722      
925-627 8 Walnut Creek CA   722   2011-01-31   
925-690 4 Clayton CA   722   2016-07-07   
925-690 6 Clayton CA   722   2017-05-05   
925-732 4 Antioch CA   722   2013-10-30   
925-738 2 Pleasanton CA   722      
925-808 7 Concord CA   722   2008-05-27   
925-826 A Concord CA HYWRCAMCDS0  722      
925-826 0 Concord CA   722      
925-826 1 Concord CA   722      
925-854 A Danville CA HYWRCAMCDS0  722      
925-854 0 Danville CA   722   2017-04-16   
925-854 1 Danville CA   722      
925-854 6 Danville CA   722   2011-11-11   
925-948 A Walnut Creek CA HYWRCAMCDS0  722      
925-948 0 Walnut Creek CA   722      
925-948 1 Walnut Creek CA   722      

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Last updated: Sat, 11 Jul 2020 20:37:26 UTC

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