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: 428

NPA-NXX BLOCK Rate Centre Region Switch OCN LATA LIR Eff date Disc date
254-428 A Eastland TX DLLSTXALDS4  903C ONVOY, LLC - TX 552      
254-428 0 Eastland TX DLLSTXAL7MD  073H TELNYX LLC 552   2021-06-03   
254-428 1 Eastland TX   515J IP HORIZON LLC 552   2021-06-01   
254-428 2 Eastland TX DLLSTXALDS4  903C ONVOY, LLC - TX 552   2021-03-07   
254-428 3 Eastland TX DLLSTXALDS4  903C ONVOY, LLC - TX 552   2021-03-07   
254-428 4 Eastland TX   177F PEERLESS NETWORK OF TEXAS, LLC - TX 552   2022-06-24   
254-428 5 Eastland TX DLLSTXTAXTZ  624H ONVOY SPECTRUM, LLC 552   2021-07-08   
254-428 6 Eastland TX DLLSTX97X9X  516J TON80 COMMUNICATIONS LLC 552   2021-07-03   
254-428 7 Eastland TX DLLSTX97DSS  177F PEERLESS NETWORK OF TEXAS, LLC - TX 552   2021-11-29   
254-428 8 Eastland TX DLLSTX97TMD  939H COMMIO LLC 552   2021-11-14   
254-428 9 Eastland TX DLLSTX97TMD  939H COMMIO LLC 552   2021-11-14   

Last updated: Thu, 04 Aug 2022 23:14:42 UTC

Sponsored by: VoIP Much Phone Company

Like this site? We accept donations via PayPal.