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.
  • If you want to search an entire area code regardless of activity, leave both the next and past days fields set to zero.

Switch: SKTNCA01X6Z

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NPA-NXX BLOCK Rate Centre Region OCN LATA LIR Eff date Disc date
209-857 8 Modesto CA 516C AT&T CORP. 738   2014-05-20   
209-862 5 Newman CA 516C AT&T CORP. 738   2011-06-20   
209-863 2 Riverbank CA 516C AT&T CORP. 738   2007-09-14   
209-893 5 Plymouth CA 516C AT&T CORP. 738   2011-05-06   
209-910 A Stockton CA 516C AT&T CORP. 738      
209-910 0 Stockton CA 516C AT&T CORP. 738   2013-12-05   
209-910 9 Stockton CA 516C AT&T CORP. 738   2012-05-10   
209-912 4 Galt CA 516C AT&T CORP. 738   2007-09-14   
209-917 3 Le Grand CA 516C AT&T CORP. 738   2011-08-09   
209-927 9 Moccasin CA 516C AT&T CORP. 738   2011-06-20   
209-949 2 Stockton CA 516C AT&T CORP. 738   2015-04-24   
209-962 3 Groveland CA 516C AT&T CORP. 738   2011-08-09   
559-715 3 Chowchilla CA 516C AT&T CORP. 738   2007-09-14   

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

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