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: 354

NPA-NXX BLOCK Rate Centre Region Switch OCN LATA LIR Eff date Disc date
254-354 A Prairie Hill TX WACOTX01XIX  903C ONVOY, LLC - TX 556      
254-354 0 Prairie Hill TX   624H ONVOY SPECTRUM, LLC 556   2021-12-04   
254-354 1 Prairie Hill TX   903C ONVOY, LLC - TX 556   2023-04-21   
254-354 2 Prairie Hill TX   903C ONVOY, LLC - TX 556   2019-10-31   
254-354 3 Prairie Hill TX   903C ONVOY, LLC - TX 556   2019-10-31   
254-354 4 Prairie Hill TX   903C ONVOY, LLC - TX 556   2019-08-14   
254-354 5 Prairie Hill TX   903C ONVOY, LLC - TX 556   2020-12-19   
254-354 6 Prairie Hill TX   903C ONVOY, LLC - TX 556   2020-12-19   
254-354 7 Prairie Hill TX   624H ONVOY SPECTRUM, LLC 556   2021-07-08   
254-354 8 Prairie Hill TX   516J TON80 COMMUNICATIONS, LLC 556   2021-07-02   
254-354 9 Prairie Hill TX   004F BANDWIDTH.COM CLEC, LLC - TX 556   2020-03-06   

Last updated: Thu, 29 Jan 2026 14:35:03 UTC

Sponsored by: LES.NET

Like this site? We accept donations via PayPal.