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: 903 [Rate centres in NPA 903] [Dial plan for NPA 903]

NXX: 945

NPA-NXX BLOCK Rate Centre Region Switch OCN LATA LIR Eff date Disc date
903-945 A Birthright TX BRTHTXXARS0  2154 FRONTIER SOUTHWEST INC DBA FRONTIER COMM OF TEXAS 552      
903-945 0 Birthright TX DLLSTXALDS4  903C ONVOY, LLC - TX 552      
903-945 1 Birthright TX DLLSTX97DSS  177F PEERLESS NETWORK OF TEXAS, LLC - TX 552      
903-945 2 Birthright TX BRTHTXXARS0  2154 FRONTIER SOUTHWEST INC DBA FRONTIER COMM OF TEXAS 552      
903-945 3 Birthright TX BRTHTXXARS0  2154 FRONTIER SOUTHWEST INC DBA FRONTIER COMM OF TEXAS 552      
903-945 4 Birthright TX DLLSTXALDS4  903C ONVOY, LLC - TX 552      
903-945 5 Birthright TX BRTHTXXARS0  2154 FRONTIER SOUTHWEST INC DBA FRONTIER COMM OF TEXAS 552      
903-945 6 Birthright TX DLLSTX37XWZ  004F BANDWIDTH.COM CLEC, LLC - TX 552      
903-945 7 Birthright TX DLLSTXALDS4  903C ONVOY, LLC - TX 552      
903-945 8 Birthright TX DLLSTXALDS4  903C ONVOY, LLC - TX 552      
903-945 9 Birthright TX BRSHTX040MD  4042 CUMBY TELEPHONE COOPERATIVE, INC. 552      

Last updated: Wed, 20 Nov 2024 21:20:06 UTC

Sponsored by: VoIP Much Phone Company

Like this site? We accept donations via PayPal.