Local Calling Guide

Area code/prefix search

Search area code/prefix (NPA/NXX)
  • Effective date searches are available only for US area codes. Our sources for non-US NPA-NXX data do not provide this information.
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OCN: 671J U.S. TELEPACIFIC CORP. DBA TPX COMMUNICATIONS

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NPA-NXX BLOCK Rate Centre Region Switch LATA LIR Eff date Disc date
707-419 7 Fairfield-Suisun CA SNJSCAYB0MD  722   2007-03-15   
707-419 8 Fairfield-Suisun CA SNJSCAYB0MD  722   2007-03-15   
707-420 7 Fairfield-Suisun CA SNJSCAYB0MD  722   2012-01-07   
707-430 4 Fairfield-Suisun CA SNJSCAYB0MD  722   2006-08-03   
707-439 7 Fairfield-Suisun CA SNJSCAYB0MD  722   2008-10-16   
707-461 7 Lower Lake CA SNJSCAYB0MD  722   2007-12-28   
707-471 7 Vacaville CA SNJSCAYB0MD  722   2007-12-29   
707-474 A Vacaville CA SNJSCAYB0MD  722      
707-474 0 Vacaville CA SNJSCAYB0MD  722      
707-507 7 Rio Vista CA SNJSCAYB0MD  722   2007-12-29   
707-518 7 Willits CA SNJSCAYB0MD  722   2016-11-24   
707-533 2 Lakeport CA SNJSCAYB0MD  722   2007-12-29   
707-547 3 Santa Rosa CA SNJSCAYB0MD  722   2011-09-01   
707-558 3 Vallejo CA SNJSCAYB0MD  722   2013-09-07   
707-559 2 Petaluma: Main DA CA SNJSCAYB0MD  722   2006-04-21   
707-559 7 Petaluma: Main DA CA SNJSCAYB0MD  722   2002-08-21   
707-560 A Clearlake Oaks CA SNJSCAYB0MD  722      
707-560 2 Clearlake Oaks CA SNJSCAYB0MD  722   2008-03-07   
707-561 7 Vallejo CA SNJSCAYB0MD  722   2002-08-21   
707-583 A Santa Rosa CA SNJSCAYB0MD  722      
707-583 0 Santa Rosa CA SNJSCAYB0MD  722      
707-583 2 Santa Rosa CA SNJSCAYB0MD  722      
707-583 8 Santa Rosa CA SNJSCAYB0MD  722      
707-603 A Napa CA SNJSCAYB0MD  722      
707-603 0 Napa CA SNJSCAYB0MD  722      
707-603 1 Napa CA SNJSCAYB0MD  722      
707-603 2 Napa CA SNJSCAYB0MD  722      
707-603 3 Napa CA SNJSCAYB0MD  722      
707-603 4 Napa CA SNJSCAYB0MD  722      
707-603 6 Napa CA SNJSCAYB0MD  722      
707-603 7 Napa CA SNJSCAYB0MD  722      
707-603 8 Napa CA SNJSCAYB0MD  722      
707-617 5 Fortuna CA SNJSCAYB0MD  722   2018-03-03   
707-625 2 Forestville CA SNJSCAYB0MD  722   2017-03-10   
707-635 7 Dixon CA SCRMCA0121Z  726   2005-12-05   
707-638 4 Vallejo CA SNJSCAYB0MD  722      
707-638 5 Vallejo CA SNJSCAYB0MD  722      
707-652 7 Vallejo CA SNJSCAYB0MD  722   2007-03-29   
707-656 A Vallejo CA SNJSCAYB0MD  722      
707-656 0 Vallejo CA SNJSCAYB0MD  722      
707-674 A Vallejo CA SNJSCAYB0MD  722      
707-674 0 Vallejo CA SNJSCAYB0MD  722      
707-674 2 Vallejo CA SNJSCAYB0MD  722      
707-674 3 Vallejo CA SNJSCAYB0MD  722      
707-684 8 Boonville CA SNJSCAYB0MD  722   2010-12-13   
707-687 1 Windsor CA SNJSCAYB0MD  722   2005-12-05   
707-709 A Calistoga CA SNJSCAYB0MD  722      
707-709 2 Calistoga CA SNJSCAYB0MD  722      
707-720 A Fairfield-Suisun CA SNJSCAYB0MD  722      
707-720 2 Fairfield-Suisun CA SNJSCAYB0MD  722      

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Last updated: Tue, 16 Apr 2024 01:38:01 UTC

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