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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Switch: SKTNCA01X6Y

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NPA-NXX BLOCK Rate Centre Region OCN LATA LIR Eff date Disc date
209-783 5 Knights Ferry CA 8826 LEVEL 3 COMMUNICATIONS, LLC - CA 738   2005-08-01   
209-784 6 Le Grand CA 8826 LEVEL 3 COMMUNICATIONS, LLC - CA 738   2014-05-25   
209-787 5 Lockeford CA 8826 LEVEL 3 COMMUNICATIONS, LLC - CA 738   2008-02-26   
209-790 A Ione CA 8826 LEVEL 3 COMMUNICATIONS, LLC - CA 738      
209-790 4 Ione CA 8826 LEVEL 3 COMMUNICATIONS, LLC - CA 738   2005-07-30   
209-791 5 Mokelumne Hill CA 8826 LEVEL 3 COMMUNICATIONS, LLC - CA 738   2005-07-30   
209-794 4 Thornton CA 8826 LEVEL 3 COMMUNICATIONS, LLC - CA 738   2005-07-30   
209-803 5 Newman CA 8826 LEVEL 3 COMMUNICATIONS, LLC - CA 738   2005-08-01   
209-813 2 Angels Camp CA 8826 LEVEL 3 COMMUNICATIONS, LLC - CA 738   2011-04-24   
209-813 4 Angels Camp CA 8826 LEVEL 3 COMMUNICATIONS, LLC - CA 738   2012-09-16   
209-813 9 Angels Camp CA 8826 LEVEL 3 COMMUNICATIONS, LLC - CA 738   2013-10-28   
209-817 8 Stockton CA 8826 LEVEL 3 COMMUNICATIONS, LLC - CA 738   2007-10-29   
209-846 2 Modesto CA 8826 LEVEL 3 COMMUNICATIONS, LLC - CA 738   2007-04-08   
209-846 3 Modesto CA 8826 LEVEL 3 COMMUNICATIONS, LLC - CA 738   2007-06-20   
209-851 4 Stockton CA 8826 LEVEL 3 COMMUNICATIONS, LLC - CA 738   2014-07-29   
209-852 4 Waterford: Don Pedro DA CA 8826 LEVEL 3 COMMUNICATIONS, LLC - CA 738   2005-07-26   
209-853 6 Waterford: Main DA CA 8826 LEVEL 3 COMMUNICATIONS, LLC - CA 738   2014-07-13   
209-868 2 Stockton CA 8826 LEVEL 3 COMMUNICATIONS, LLC - CA 738   2021-09-02   
209-879 7 Tracy CA 8826 LEVEL 3 COMMUNICATIONS, LLC - CA 738      
209-887 8 Linden CA 8826 LEVEL 3 COMMUNICATIONS, LLC - CA 738   2013-11-04   
209-893 9 Plymouth CA 8826 LEVEL 3 COMMUNICATIONS, LLC - CA 738   2014-06-14   
209-898 0 Stockton CA 8826 LEVEL 3 COMMUNICATIONS, LLC - CA 738   2012-03-24   
209-899 4 Milton CA 8826 LEVEL 3 COMMUNICATIONS, LLC - CA 738   2005-08-01   
209-900 8 Modesto CA 8826 LEVEL 3 COMMUNICATIONS, LLC - CA 738   2014-04-16   
209-916 A Jamestown CA 8826 LEVEL 3 COMMUNICATIONS, LLC - CA 738      
209-916 4 Jamestown CA 8826 LEVEL 3 COMMUNICATIONS, LLC - CA 738   2005-08-01   
209-916 9 Jamestown CA 8826 LEVEL 3 COMMUNICATIONS, LLC - CA 738   2012-01-28   
209-920 4 Valley Springs CA 8826 LEVEL 3 COMMUNICATIONS, LLC - CA 738   2005-07-30   
209-920 6 Valley Springs CA 8826 LEVEL 3 COMMUNICATIONS, LLC - CA 738   2007-08-13   
209-921 6 Stockton CA 8826 LEVEL 3 COMMUNICATIONS, LLC - CA 738   2021-05-11   
209-924 A Ripon CA 8826 LEVEL 3 COMMUNICATIONS, LLC - CA 738      
209-924 4 Ripon CA 8826 LEVEL 3 COMMUNICATIONS, LLC - CA 738   2005-08-01   
209-941 3 Stockton CA 8826 LEVEL 3 COMMUNICATIONS, LLC - CA 738   2013-03-10   
209-989 3 Moccasin CA 8826 LEVEL 3 COMMUNICATIONS, LLC - CA 738   2012-02-25   
209-989 4 Moccasin CA 8826 LEVEL 3 COMMUNICATIONS, LLC - CA 738   2005-07-30   
209-992 4 Stockton CA 8826 LEVEL 3 COMMUNICATIONS, LLC - CA 738   2009-09-07   
209-992 5 Stockton CA 8826 LEVEL 3 COMMUNICATIONS, LLC - CA 738   2014-05-06   
350-221 4 Lodi CA 8826 LEVEL 3 COMMUNICATIONS, LLC - CA 738   2024-07-12   
559-201 6 Chowchilla CA 8826 LEVEL 3 COMMUNICATIONS, LLC - CA 738   2008-05-08   
559-715 4 Chowchilla CA 8826 LEVEL 3 COMMUNICATIONS, LLC - CA 738   2005-07-26   
559-775 6 Chowchilla CA 8826 LEVEL 3 COMMUNICATIONS, LLC - CA 738   2018-09-10   

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

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