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: 240

NPA-NXX BLOCK Rate Centre Region Switch OCN LATA LIR Eff date Disc date
940-240 A Argyle PPCP TX ARGYTXXBRS1  4344 FRONTIER SOUTHWEST INC DBA FRONTIER COMM OF TEXAS 552      
940-240 0 Argyle PPCP TX ARGYTXXBRS1  4344 FRONTIER SOUTHWEST INC DBA FRONTIER COMM OF TEXAS 552      
940-240 1 Argyle PPCP TX ARGYTXXBRS1  4344 FRONTIER SOUTHWEST INC DBA FRONTIER COMM OF TEXAS 552      
940-240 2 Argyle PPCP TX DLLSTX37XWZ  004F BANDWIDTH.COM CLEC, LLC - TX 552      
940-240 3 Argyle PPCP TX DLLSTXALDS4  903C ONVOY, LLC - TX 552      
940-240 4 Argyle PPCP TX FTWPTXZPPS0  353D CHARTER FIBERLINK TX-CCO, LLC - TX 552      
940-240 5 Argyle PPCP TX ARGYTXXBRS1  4344 FRONTIER SOUTHWEST INC DBA FRONTIER COMM OF TEXAS 552      
940-240 6 Argyle PPCP TX DLLSTXALDS4  903C ONVOY, LLC - TX 552      
940-240 7 Argyle PPCP TX DLLSTXJFDS0  7229 MCIMETRO ACCESS TRANSMISSION SERVICES LLC 552      
940-240 8 Argyle PPCP TX DLLSTXALDS4  903C ONVOY, LLC - TX 552      

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

Sponsored by: Execulink Telecom

Like this site? We accept donations via PayPal.