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: 972 [Rate centres in NPA 972] [Dial plan for NPA 972]

NXX: 366

NPA-NXX BLOCK Rate Centre Region Switch OCN LATA LIR Eff date Disc date
972-366 A Venus TX VENSTXXADS0  2154 FRONTIER SOUTHWEST INC DBA FRONTIER COMM OF TEXAS 552      
972-366 0 Venus TX DLLSTX37XWZ  004F BANDWIDTH.COM CLEC, LLC - TX 552   2008-10-07   
972-366 1 Venus TX VENSTXXADS0  2154 FRONTIER SOUTHWEST INC DBA FRONTIER COMM OF TEXAS 552      
972-366 2 Venus TX FTWQTXFH0MD  508J CENTURYLINK COMMUNICATIONS, LLC 552   2014-05-16   
972-366 3 Venus TX VENSTXXADS0  2154 FRONTIER SOUTHWEST INC DBA FRONTIER COMM OF TEXAS 552      
972-366 4 Venus TX DLLSTXALDS4  903C ONVOY, LLC - TX 552   2016-04-08   
972-366 5 Venus TX DLLSTX37XWZ  004F BANDWIDTH.COM CLEC, LLC - TX 552   2015-08-24   
972-366 6 Venus TX DLLSTXALDS4  903C ONVOY, LLC - TX 552   2011-03-04   
972-366 7 Venus TX DLLSTXALDS4  903C ONVOY, LLC - TX 552   2016-04-08   
972-366 8 Venus TX VENSTXXADS0  2154 FRONTIER SOUTHWEST INC DBA FRONTIER COMM OF TEXAS 552      
972-366 9 Venus TX   515J IP HORIZON LLC 552   2018-01-11   

Last updated: Tue, 16 Apr 2024 01:38:01 UTC

Sponsored by: VoIP.ms

Like this site? We accept donations via PayPal.