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: 979 [Rate centres in NPA 979] [Dial plan for NPA 979]

NXX: 657

NPA-NXX BLOCK Rate Centre Region Switch OCN LATA LIR Eff date Disc date
979-657 A Boling-New Gulf TX BLNGTXXADS0  2154 FRONTIER SOUTHWEST INC DBA FRONTIER COMM OF TEXAS 560      
979-657 0 Boling-New Gulf TX BLNGTXXADS0  2154 FRONTIER SOUTHWEST INC DBA FRONTIER COMM OF TEXAS 560      
979-657 1 Boling-New Gulf TX HSTNTX01MMD  7138 TELEPORT COMMUNICATIONS AMERICA, LLC - TX 560      
979-657 2 Boling-New Gulf TX BLNGTXXADS0  2154 FRONTIER SOUTHWEST INC DBA FRONTIER COMM OF TEXAS 560      
979-657 3 Boling-New Gulf TX BLNGTXXADS0  2154 FRONTIER SOUTHWEST INC DBA FRONTIER COMM OF TEXAS 560      
979-657 4 Boling-New Gulf TX BLNGTXXADS0  2154 FRONTIER SOUTHWEST INC DBA FRONTIER COMM OF TEXAS 560      
979-657 5 Boling-New Gulf TX HSTNTXYADS5  903C ONVOY, LLC - TX 560      
979-657 6 Boling-New Gulf TX HSTNTXYADS5  903C ONVOY, LLC - TX 560      
979-657 7 Boling-New Gulf TX HSTNTXYADS5  903C ONVOY, LLC - TX 560      
979-657 8 Boling-New Gulf TX BLNGTXXADS0  2154 FRONTIER SOUTHWEST INC DBA FRONTIER COMM OF TEXAS 560      

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

Sponsored by: Execulink Telecom

Like this site? We accept donations via PayPal.