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: SKTNCACZ4MD

NPA-NXX BLOCK Rate Centre Region OCN LATA LIR Eff date Disc date
209-706 0 Linden CA 939H COMMIO LLC 738   2021-07-04   
209-706 1 Linden CA 939H COMMIO LLC 738   2021-07-04   
209-706 2 Linden CA 939H COMMIO LLC 738   2021-07-04   
209-706 4 Linden CA 939H COMMIO LLC 738   2021-07-04   
209-849 0 Modesto CA 939H COMMIO LLC 738   2021-09-18   
209-849 1 Modesto CA 939H COMMIO LLC 738   2021-09-18   
209-849 2 Modesto CA 939H COMMIO LLC 738   2021-09-18   
209-849 3 Modesto CA 939H COMMIO LLC 738   2021-09-18   
209-849 4 Modesto CA 939H COMMIO LLC 738   2021-09-18   
209-990 A Stockton CA 939H COMMIO LLC 738      
209-990 0 Stockton CA 939H COMMIO LLC 738   2017-05-15   

Last updated: Fri, 13 May 2022 22:16:13 UTC

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