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: SKTNCACZ9MD

NPA-NXX BLOCK Rate Centre Region OCN LATA LIR Eff date Disc date
209-319 5 Tracy CA 516J TON80 COMMUNICATIONS, LLC 738   2021-12-14   
209-512 6 Yosemite CA 516J TON80 COMMUNICATIONS, LLC 738   2021-11-06   
209-657 7 Riverbank CA 516J TON80 COMMUNICATIONS, LLC 738   2021-11-17   
209-773 2 Mokelumne Hill CA 516J TON80 COMMUNICATIONS, LLC 738   2021-09-17   
209-778 1 Turlock CA 516J TON80 COMMUNICATIONS, LLC 738   2021-11-23   
209-865 2 Galt CA 516J TON80 COMMUNICATIONS, LLC 738   2022-01-07   
209-866 2 Angels Camp CA 516J TON80 COMMUNICATIONS, LLC 738   2021-06-11   
209-963 6 Sonora: Juno DA CA 516J TON80 COMMUNICATIONS, LLC 738   2022-04-10   
559-715 A Chowchilla CA 516J TON80 COMMUNICATIONS, LLC 738      
559-715 0 Chowchilla CA 516J TON80 COMMUNICATIONS, LLC 738   2021-07-06   

Last updated: Sun, 26 Jan 2025 15:59:20 UTC

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