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: WCFLTXGA2MD

NPA-NXX BLOCK Rate Centre Region OCN LATA LIR Eff date Disc date
940-224 A Wichita Falls TX 5562 METROPCS, INC. 548      
940-333 A Childress TX 6529 T-MOBILE USA, INC. 548      
940-337 A Wichita Falls TX 6529 T-MOBILE USA, INC. 548      
940-444 A Wichita Falls TX 5562 METROPCS, INC. 548      
940-473 A Vernon TX 6529 T-MOBILE USA, INC. 548      
940-642 A Wichita Falls TX 5562 METROPCS, INC. 548      
940-882 A Wichita Falls TX 6529 T-MOBILE USA, INC. 548   2024-02-09   
940-923 A Wichita Falls TX 6529 T-MOBILE USA, INC. 548      

Last updated: Thu, 29 Jan 2026 14:35:03 UTC

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