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: 540

NPA-NXX BLOCK Rate Centre Region Switch OCN LATA LIR Eff date Disc date
254-540 A Chilton TX WACOTX01XIX  903C ONVOY, LLC - TX 556      
254-540 0 Chilton TX WACOTX01XIX  903C ONVOY, LLC - TX 556   2020-12-18   
254-540 1 Chilton TX WACOTX01XIX  903C ONVOY, LLC - TX 556   2020-12-18   
254-540 2 Chilton TX WACOTX01XIX  903C ONVOY, LLC - TX 556   2019-10-31   
254-540 3 Chilton TX WACOTX01XIX  903C ONVOY, LLC - TX 556   2019-10-31   
254-540 4 Chilton TX WACOTX01XCY  624H ONVOY SPECTRUM, LLC 556   2021-07-05   
254-540 5 Chilton TX WACOTX01XIX  903C ONVOY, LLC - TX 556   2019-08-14   
254-540 6 Chilton TX WACOTX01XIX  903C ONVOY, LLC - TX 556   2020-08-13   
254-540 7 Chilton TX WACOTX01XIX  903C ONVOY, LLC - TX 556   2020-08-13   
254-540 8 Chilton TX WACOTX01XIX  903C ONVOY, LLC - TX 556   2020-08-13   
254-540 9 Chilton TX WACOTX01XDX  004F BANDWIDTH.COM CLEC, LLC - TX 556   2020-03-01   

Last updated: Tue, 16 Apr 2024 01:38:01 UTC

Sponsored by: Execulink Telecom

Like this site? We accept donations via PayPal.