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: 587

NPA-NXX BLOCK Rate Centre Region Switch OCN LATA LIR Eff date Disc date
254-587 A Reagan TX RGANTXRGRS0  9533 SOUTHWESTERN BELL 556      
254-587 0 Reagan TX WACOTX01XDX  004F BANDWIDTH.COM CLEC, LLC - TX 556   2012-01-05   
254-587 1 Reagan TX RGANTXRGRS0  9533 SOUTHWESTERN BELL 556      
254-587 2 Reagan TX RGANTXRGRS0  9533 SOUTHWESTERN BELL 556      
254-587 4 Reagan TX WACOTX01XIX  903C ONVOY, LLC - TX 556   2020-08-13   
254-587 5 Reagan TX WACOTX01XIX  903C ONVOY, LLC - TX 556   2020-08-13   
254-587 6 Reagan TX WACOTX01XIX  903C ONVOY, LLC - TX 556   2020-08-13   
254-587 7 Reagan TX KLLNTXXARMD  508J CENTURYLINK COMMUNICATIONS, LLC 556   2014-05-20   
254-587 8 Reagan TX WACOTX01XIX  903C ONVOY, LLC - TX 556   2020-11-23   
254-587 9 Reagan TX   515J IP HORIZON LLC 556   2022-03-27   

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

Sponsored by: ISP Telecom

Like this site? We accept donations via PayPal.