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: 477

NPA-NXX BLOCK Rate Centre Region Switch OCN LATA LIR Eff date Disc date
940-477 A Henrietta TX WCFLTXFG4MD  6114 LEVEL 3 COMMUNICATIONS, LLC - TX 548      
940-477 0 Henrietta TX DLLSTXAL0MD  515J IP HORIZON LLC 548      
940-477 1 Henrietta TX WCFLTXNIWMD  004F BANDWIDTH.COM CLEC, LLC - TX 548      
940-477 2 Henrietta TX WCFLTXNIWMD  004F BANDWIDTH.COM CLEC, LLC - TX 548      
940-477 3 Henrietta TX WCFLTXESX5Y  7148 TELEPORT COMMUNICATIONS AMERICA, LLC - TX 548      
940-477 4 Henrietta TX WCFLTXFG4MD  6114 LEVEL 3 COMMUNICATIONS, LLC - TX 548      
940-477 5 Henrietta TX WCFLTXNIX6X  903C ONVOY, LLC - TX 548      
940-477 6 Henrietta TX WCFLTXNIX6X  903C ONVOY, LLC - TX 548      
940-477 7 Henrietta TX WCFLTXNIWMD  004F BANDWIDTH.COM CLEC, LLC - TX 548      
940-477 8 Henrietta TX WCFLTXNIX6X  903C ONVOY, LLC - TX 548      
940-477 9 Henrietta TX WCFLTXNIX6X  903C ONVOY, LLC - TX 548      

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

Sponsored by: FiberConX Communications Ltd.

Like this site? We accept donations via PayPal.