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.

NPA: 209 [Rate centres in NPA 209] [Dial plan for NPA 209]

Region: CA

OCN: 9748 AMERICAN MESSAGING SERVICES, LLC

NPA-NXX BLOCK Rate Centre Region Switch LATA LIR Eff date Disc date
209-282 A Turlock CA SKTNCA01XJY  738      
209-428 A Angels Camp CA SKTNCA01XJY  738      
209-514 A Merced CA SKTNCA01XJY  738      
209-516 A Los Banos CA SKTNCA01XJY  738      
209-520 A Modesto CA SKTNCA01XJY  738      
209-615 A Stockton CA SKTNCA01XJY  738      
209-708 A Sonora: Main DA CA SKTNCA01XJY  738      
209-987 A Stockton CA SKTNCA01XJY  738      
209-995 A Stockton CA SKTNCA01XJY  738      

Last updated: Wed, 04 Mar 2026 03:00:52 UTC

Sponsored by: FiberConX Communications Ltd.

Like this site? We accept donations via PayPal.