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: WCFLTXNIX5Y

NPA-NXX BLOCK Rate Centre Region OCN LATA LIR Eff date Disc date
940-228 5 Wichita Falls TX 793K TWC IP ENABLED SERVICES, LLC 548   2006-01-30   
940-228 7 Wichita Falls TX 793K TWC IP ENABLED SERVICES, LLC 548   2007-05-17   
940-247 4 Wichita Falls TX 793K TWC IP ENABLED SERVICES, LLC 548   2016-07-10   
940-247 5 Wichita Falls TX 793K TWC IP ENABLED SERVICES, LLC 548   2018-01-25   
940-267 A Holliday TX 793K TWC IP ENABLED SERVICES, LLC 548      
940-267 0 Holliday TX 793K TWC IP ENABLED SERVICES, LLC 548      
940-359 A Petrolia TX 793K TWC IP ENABLED SERVICES, LLC 548      
940-359 1 Petrolia TX 793K TWC IP ENABLED SERVICES, LLC 548   2023-10-27   
940-386 1 Wichita Falls TX 793K TWC IP ENABLED SERVICES, LLC 548   2014-07-31   
940-386 2 Wichita Falls TX 793K TWC IP ENABLED SERVICES, LLC 548   2014-11-24   
940-386 3 Wichita Falls TX 793K TWC IP ENABLED SERVICES, LLC 548   2015-04-23   
940-386 9 Wichita Falls TX 793K TWC IP ENABLED SERVICES, LLC 548   2011-03-21   
940-500 A Wichita Falls TX 793K TWC IP ENABLED SERVICES, LLC 548      
940-500 4 Wichita Falls TX 793K TWC IP ENABLED SERVICES, LLC 548   2011-01-09   
940-538 7 Henrietta TX 793K TWC IP ENABLED SERVICES, LLC 548   2022-02-27   
940-613 0 Wichita Falls TX 793K TWC IP ENABLED SERVICES, LLC 548      

Last updated: Thu, 16 Jul 2026 02:21:55 UTC

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