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: SKTNCA01XNZ

NPA-NXX BLOCK Rate Centre Region OCN LATA LIR Eff date Disc date
209-625 A Lodi CA 515J IP HORIZON LLC 738      
209-626 A Merced CA 515J IP HORIZON LLC 738      
209-627 A Tracy CA 515J IP HORIZON LLC 738      
209-779 A Hughson CA 515J IP HORIZON LLC 738      
209-788 A Milton CA 515J IP HORIZON LLC 738      
209-798 A Stockton CA 515J IP HORIZON LLC 738      
209-798 1 Stockton CA 515J IP HORIZON LLC 738   2021-01-21   
209-803 A Newman CA 515J IP HORIZON LLC 738      
209-841 A Oakdale CA 515J IP HORIZON LLC 738      
209-842 A Pinecrest CA 515J IP HORIZON LLC 738      
209-890 A Angels Camp CA 515J IP HORIZON LLC 738      
559-201 1 Chowchilla CA 515J IP HORIZON LLC 738      
559-201 2 Chowchilla CA 515J IP HORIZON LLC 738      

Last updated: Sat, 05 Apr 2025 03:03:23 UTC

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