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: 940 [Rate centres in NPA 940] [Dial plan for NPA 940]

NXX: 316

NPA-NXX BLOCK Rate Centre Region Switch OCN LATA LIR Eff date Disc date
940-316 A Knox City TX KNCYTXXAPS0  1163 VALOR TELECOMM TX, LP-TX #1 DBA WINDSTREAM COMM SW 548      
940-316 1 Knox City TX SYMRTXXA0MD  0132 AMA COMM., LLC DBA AMA*TECHTEL COMMUNICATIONS-TX 548      
940-316 6 Knox City TX WCFLTXESX5Y  7148 TELEPORT COMMUNICATIONS AMERICA, LLC - TX 548      
940-316 9 Knox City TX KNCYTXXAPS0  1163 VALOR TELECOMM TX, LP-TX #1 DBA WINDSTREAM COMM SW 548      

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

Sponsored by: Execulink Telecom

Like this site? We accept donations via PayPal.