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: 913

NPA-NXX BLOCK Rate Centre Region Switch OCN LATA LIR Eff date Disc date
903-913 A Grand Saline TX DLLSTX97DSS  177F PEERLESS NETWORK OF TEXAS, LLC - TX 552      
903-913 0 Grand Saline TX   515J IP HORIZON LLC 552   2017-12-15   
903-913 1 Grand Saline TX DLLSTX97DSS  177F PEERLESS NETWORK OF TEXAS, LLC - TX 552   2013-05-26   
903-913 2 Grand Saline TX DLLSTX97DSS  177F PEERLESS NETWORK OF TEXAS, LLC - TX 552   2013-05-26   
903-913 3 Grand Saline TX DLLSTX23X9X  135H PEOPLES COMMUNICATION, INC. -TX 552   2013-12-01   
903-913 4 Grand Saline TX DLLSTXRIXYY  318C CEBRIDGE TELECOM TX , L.P. - TX 552   2014-02-22   
903-913 5 Grand Saline TX FTWQTXFH0MD  508J CENTURYLINK COMMUNICATIONS, LLC 552   2014-05-15   
903-913 6 Grand Saline TX DLLSTXALDS4  903C ONVOY, LLC - TX 552   2013-12-06   
903-913 7 Grand Saline TX DLLSTXALDS4  903C ONVOY, LLC - TX 552   2013-12-06   
903-913 8 Grand Saline TX DLLSTXALDS4  903C ONVOY, LLC - TX 552   2016-04-11   
903-913 9 Grand Saline TX DLLSTXALDS4  903C ONVOY, LLC - TX 552   2016-04-11   

Last updated: Thu, 16 Oct 2025 03:04:18 UTC

Sponsored by: VoIP Much Phone Company

Like this site? We accept donations via PayPal.