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: SKTNCA01X0Z

NPA-NXX BLOCK Rate Centre Region OCN LATA LIR Eff date Disc date
209-224 3 Lodi CA 7262 XO CALIFORNIA, INC. 738   2006-02-25   
209-661 2 Modesto CA 7262 XO CALIFORNIA, INC. 738   2014-10-11   
209-851 9 Stockton CA 7262 XO CALIFORNIA, INC. 738   2014-08-07   
209-922 A Stockton CA 7262 XO CALIFORNIA, INC. 738      
209-922 0 Stockton CA 7262 XO CALIFORNIA, INC. 738   2003-09-06   

Last updated: Fri, 23 Jul 2021 12:43:22 UTC

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