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: KLLNTXIJ0MD

NPA-NXX BLOCK Rate Centre Region OCN LATA LIR Eff date Disc date
254-225 0 Killeen TX 004F BANDWIDTH.COM CLEC, LLC - TX 556   2025-10-10   
254-308 2 Salado TX 7670 GRANDE COMMUNICATIONS NETWORKS, INC. - TX 556   2015-08-13   
254-360 A Little River TX 7670 GRANDE COMMUNICATIONS NETWORKS, INC. - TX 556      
254-360 0 Little River TX 7670 GRANDE COMMUNICATIONS NETWORKS, INC. - TX 556   2015-09-11   
254-402 A Killeen TX 7670 GRANDE COMMUNICATIONS NETWORKS, INC. - TX 556      
254-402 0 Killeen TX 7670 GRANDE COMMUNICATIONS NETWORKS, INC. - TX 556   2015-09-10   
254-402 1 Killeen TX 7670 GRANDE COMMUNICATIONS NETWORKS, INC. - TX 556   2015-09-10   
254-406 A Killeen TX 7670 GRANDE COMMUNICATIONS NETWORKS, INC. - TX 556      
254-406 0 Killeen TX 7670 GRANDE COMMUNICATIONS NETWORKS, INC. - TX 556   2015-09-11   
254-574 1 Salado TX 004F BANDWIDTH.COM CLEC, LLC - TX 556   2025-08-10   
254-574 3 Salado TX 004F BANDWIDTH.COM CLEC, LLC - TX 556   2025-10-23   
254-619 7 Killeen TX 004F BANDWIDTH.COM CLEC, LLC - TX 556   2026-07-11   
254-658 7 Killeen TX 004F BANDWIDTH.COM CLEC, LLC - TX 556   2025-08-20   

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

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