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: SKTNCACZDS0

NPA-NXX BLOCK Rate Centre Region OCN LATA LIR Eff date Disc date
209-335 A Manteca CA 6906 AMERICAN MESSAGING SERVICES, LLC 738      
209-344 A Modesto CA 6906 AMERICAN MESSAGING SERVICES, LLC 738      
209-393 A Merced CA 6906 AMERICAN MESSAGING SERVICES, LLC 738      
209-397 A Stockton CA 6630 USA MOBILITY WIRELESS, INC. 738      
209-512 A Stockton CA 6906 AMERICAN MESSAGING SERVICES, LLC 738      
209-520 A Modesto CA 9748 AMERICAN MESSAGING SERVICES, LLC 738      
209-615 A Stockton CA 9748 AMERICAN MESSAGING SERVICES, LLC 738      
209-654 A Modesto CA 6906 AMERICAN MESSAGING SERVICES, LLC 738      
209-706 A Lodi CA 6906 AMERICAN MESSAGING SERVICES, LLC 738      
209-801 A Crows Landing CA 6906 AMERICAN MESSAGING SERVICES, LLC 738      
209-929 A Stockton CA 7379 MATRIX TELECOM, LLC. SII TNCI - CA 738      
209-995 A Stockton CA 9748 AMERICAN MESSAGING SERVICES, LLC 738      
559-663 A Chowchilla CA 7379 MATRIX TELECOM, LLC. SII TNCI - CA 738      

Last updated: Sat, 27 Jul 2019 10:59:49 UTC

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