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.

NPA: 254 [Rate centres in NPA 254] [Dial plan for NPA 254]

NXX: 251

NPA-NXX BLOCK Rate Centre Region Switch OCN LATA LIR Eff date Disc date
254-251 A Killeen TX KLLNTXXA2MD  6529 T-MOBILE USA, INC. 556      
254-251 0 Killeen TX KLLNTXXA2MD  6529 T-MOBILE USA, INC. 556   2008-02-25   
254-251 1 Killeen TX KLLNTXXAQMD  5562 METROPCS, INC. 556   2008-03-15   
254-251 2 Killeen TX KLLNTXBI9MD  6534 NEW CINGULAR WIRELESS PCS, LLC - IL 556   2019-01-19   
254-251 3 Killeen TX WACOTX01NMD  7249 MCIMETRO ACCESS TRANSMISSION SERVICES LLC - TX 556   2014-01-03   
254-251 4 Killeen TX KLLNTXBI9MD  6534 NEW CINGULAR WIRELESS PCS, LLC - IL 556   2019-01-19   
254-251 5 Killeen TX KLLNTXXAQMD  5562 METROPCS, INC. 556   2007-10-26   
254-251 6 Killeen TX KLLNTXXAQMD  5562 METROPCS, INC. 556   2007-10-26   
254-251 7 Killeen TX   6529 T-MOBILE USA, INC. 556   2007-10-26   
254-251 8 Killeen TX KLLNTXXAQMD  5562 METROPCS, INC. 556   2007-10-26   
254-251 9 Killeen TX   6529 T-MOBILE USA, INC. 556   2007-10-26   

Last updated: Fri, 22 Mar 2024 03:02:44 UTC

Sponsored by: VoIP.ms

Like this site? We accept donations via PayPal.