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: WCFLTXNIXTX

NPA-NXX BLOCK Rate Centre Region OCN LATA LIR Eff date Disc date
940-333 7 Childress TX 516J TON80 COMMUNICATIONS, LLC 548   2022-04-11   
940-550 0 Graham TX 516J TON80 COMMUNICATIONS, LLC 548   2022-04-11   
940-746 A Henrietta TX 516J TON80 COMMUNICATIONS, LLC 548      
940-746 7 Henrietta TX 516J TON80 COMMUNICATIONS, LLC 548   2022-04-20   
940-762 7 Woodson TX 516J TON80 COMMUNICATIONS, LLC 548   2022-04-21   
940-942 6 Nocona TX 516J TON80 COMMUNICATIONS, LLC 548   2022-04-21   

Last updated: Sat, 05 Apr 2025 03:03:23 UTC

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