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: WCFLTXNIX6X

NPA-NXX BLOCK Rate Centre Region OCN LATA LIR Eff date Disc date
940-283 A Burkburnett TX 903C ONVOY, LLC - TX 548      
940-340 A Bonita TX 903C ONVOY, LLC - TX 548      
940-350 A Montague TX 903C ONVOY, LLC - TX 548      
940-360 A Ringgold TX 903C ONVOY, LLC - TX 548      
940-370 A Spanish Fort TX 903C ONVOY, LLC - TX 548      
940-400 A Wichita Falls TX 903C ONVOY, LLC - TX 548      
940-410 A Wichita Falls TX 903C ONVOY, LLC - TX 548      
940-412 A Chillicothe TX 903C ONVOY, LLC - TX 548      
940-434 A Burkburnett TX 903C ONVOY, LLC - TX 548   2024-12-28   
940-461 A Childress TX 903C ONVOY, LLC - TX 548      
940-548 A Quanah TX 903C ONVOY, LLC - TX 548      
940-573 A Jacksboro TX 903C ONVOY, LLC - TX 548      
940-687 A Wichita Falls TX 903C ONVOY, LLC - TX 548   2024-12-28   
940-754 A Burkburnett TX 903C ONVOY, LLC - TX 548   2024-05-11   

Last updated: Thu, 01 Jan 2026 03:59:49 UTC

Sponsored by: FiberConX Communications Ltd.

Like this site? We accept donations via PayPal.