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: 963

NPA-NXX BLOCK Rate Centre Region Switch OCN LATA LIR Eff date Disc date
903-963 A Van TX VAN TXXADS0  4344 FRONTIER SOUTHWEST INC DBA FRONTIER COMM OF TEXAS 554      
903-963 0 Van TX TXRKTXXAHMD  624H ONVOY SPECTRUM, LLC 554   2021-12-29   
903-963 1 Van TX VAN TXXADS0  4344 FRONTIER SOUTHWEST INC DBA FRONTIER COMM OF TEXAS 554      
903-963 2 Van TX DRCKTXXADS2  135H PEOPLES COMMUNICATION, INC. -TX 554   2013-11-07   
903-963 3 Van TX VAN TXXADS0  4344 FRONTIER SOUTHWEST INC DBA FRONTIER COMM OF TEXAS 554      
903-963 4 Van TX LGVWTXPLXEX  903C ONVOY, LLC - TX 554   2021-03-19   
903-963 5 Van TX VAN TXXADS0  4344 FRONTIER SOUTHWEST INC DBA FRONTIER COMM OF TEXAS 554      
903-963 6 Van TX LGVWTXPLX1X  004F BANDWIDTH.COM CLEC, LLC - TX 554   2012-01-15   
903-963 7 Van TX VAN TXXADS0  4344 FRONTIER SOUTHWEST INC DBA FRONTIER COMM OF TEXAS 554      
903-963 8 Van TX VAN TXXADS0  4344 FRONTIER SOUTHWEST INC DBA FRONTIER COMM OF TEXAS 554      
903-963 9 Van TX LGVWTXPLXEX  903C ONVOY, LLC - TX 554   2018-08-25   

Last updated: Fri, 22 Mar 2024 03:02:44 UTC

Sponsored by: Callcentric - VoIP Internet phone service

Like this site? We accept donations via PayPal.