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: WCFLTXFGCMD

NPA-NXX BLOCK Rate Centre Region OCN LATA LIR Eff date Disc date
940-229 3 Jacksboro TX 145J TERRA NOVA TELECOM INC. 548   2024-09-14   
940-292 9 Vernon TX 145J TERRA NOVA TELECOM INC. 548   2024-02-13   
940-351 5 Jacksboro TX 145J TERRA NOVA TELECOM INC. 548   2024-02-13   
940-551 1 Chillicothe TX 145J TERRA NOVA TELECOM INC. 548   2024-06-08   
940-757 A Wichita Falls TX 145J TERRA NOVA TELECOM INC. 548      
940-841 8 Bowie TX 145J TERRA NOVA TELECOM INC. 548   2024-02-13   

Last updated: Sun, 27 Apr 2025 12:48:38 UTC

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