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: 347

NPA-NXX BLOCK Rate Centre Region Switch OCN LATA LIR Eff date Disc date
254-347 A Valley Mills TX VLMLTXXAPS0  2153 TEXAS WINDSTREAM, LLC 556      
254-347 0 Valley Mills TX   903C ONVOY, LLC - TX 556   2023-08-06   
254-347 1 Valley Mills TX   6529 T-MOBILE USA, INC. 556   2025-03-10   
254-347 2 Valley Mills TX   903C ONVOY, LLC - TX 556   2019-10-31   
254-347 3 Valley Mills TX   903C ONVOY, LLC - TX 556   2019-10-31   
254-347 4 Valley Mills TX   903C ONVOY, LLC - TX 556   2020-11-23   
254-347 5 Valley Mills TX   903C ONVOY, LLC - TX 556   2020-11-23   
254-347 6 Valley Mills TX   6529 T-MOBILE USA, INC. 556   2025-03-10   
254-347 7 Valley Mills TX   5562 METROPCS, INC. 556   2022-02-13   
254-347 8 Valley Mills TX   903C ONVOY, LLC - TX 556   2023-04-07   
254-347 9 Valley Mills TX   2153 TEXAS WINDSTREAM, LLC 556   2016-10-03   

Last updated: Tue, 13 Jan 2026 21:50:02 UTC

Sponsored by: Callcentric - VoIP Internet phone service

Like this site? We accept donations via PayPal.