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: SKTNCA01XPY

NPA-NXX BLOCK Rate Centre Region OCN LATA LIR Eff date Disc date
209-226 A Turlock CA 7145 TELEPORT COMMUNICATIONS GROUP - SAN FRANCISCO 738   2012-07-12   
209-390 A Stockton CA 7145 TELEPORT COMMUNICATIONS GROUP - SAN FRANCISCO 738   2007-05-25   
209-643 A Atwater CA 7145 TELEPORT COMMUNICATIONS GROUP - SAN FRANCISCO 738   2010-06-04   

Last updated: Sat, 29 Jun 2019 02:32:58 UTC

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