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.
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Switch: KLLNTXXA2MD

NPA-NXX BLOCK Rate Centre Region OCN LATA LIR Eff date Disc date
254-238 A Copperas Cove TX 6529 T-MOBILE USA, INC. 556      
254-251 A Killeen TX 6529 T-MOBILE USA, INC. 556      
254-278 A Copperas Cove TX 6529 T-MOBILE USA, INC. 556      
254-281 A Killeen TX 6529 T-MOBILE USA, INC. 556      
254-338 A Killeen TX 6529 T-MOBILE USA, INC. 556      
254-350 A Killeen TX 6529 T-MOBILE USA, INC. 556      
254-370 A Killeen TX 6529 T-MOBILE USA, INC. 556      
254-371 A Copperas Cove TX 6529 T-MOBILE USA, INC. 556      
254-408 A Copperas Cove TX 6529 T-MOBILE USA, INC. 556      
254-415 A Killeen TX 6529 T-MOBILE USA, INC. 556      
254-419 A Killeen TX 6529 T-MOBILE USA, INC. 556      
254-458 A Killeen TX 6529 T-MOBILE USA, INC. 556      
254-462 A Killeen TX 6529 T-MOBILE USA, INC. 556      
254-466 A Killeen TX 6529 T-MOBILE USA, INC. 556      
254-535 A Killeen TX 6529 T-MOBILE USA, INC. 556      
254-768 A Killeen TX 6529 T-MOBILE USA, INC. 556      

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

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