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: SKTNCA01DS1

NPA-NXX BLOCK Rate Centre Region OCN LATA LIR Eff date Disc date
209-513 A Stockton CA 7421 AT&T - LOCAL 738      
209-513 9 Stockton CA 7421 AT&T - LOCAL 738      
209-730 5 Galt CA 7421 AT&T - LOCAL 738   2003-09-08   

Last updated: Sun, 06 Oct 2024 02:51:32 UTC

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