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: 914

NPA-NXX BLOCK Rate Centre Region Switch OCN LATA LIR Eff date Disc date
972-914 A Nevada TX DLLATX37DS6  6114 LEVEL 3 COMMUNICATIONS, LLC - TX 552      
972-914 0 Nevada TX DLLSTXALDS4  903C ONVOY, LLC - TX 552   2012-12-16   
972-914 1 Nevada TX DLLSTXALDS4  903C ONVOY, LLC - TX 552   2012-12-16   
972-914 2 Nevada TX DLLATX37DS6  6114 LEVEL 3 COMMUNICATIONS, LLC - TX 552   2012-12-09   
972-914 3 Nevada TX DLLSTXALDS4  903C ONVOY, LLC - TX 552   2012-12-16   
972-914 4 Nevada TX DLLATX37DS6  6114 LEVEL 3 COMMUNICATIONS, LLC - TX 552   2008-02-12   
972-914 5 Nevada TX DLLATX37DS6  6114 LEVEL 3 COMMUNICATIONS, LLC - TX 552   2007-12-20   
972-914 6 Nevada TX DLLATX37DS6  6114 LEVEL 3 COMMUNICATIONS, LLC - TX 552   2008-02-12   
972-914 7 Nevada TX DLLSTXALDS4  903C ONVOY, LLC - TX 552   2008-11-21   
972-914 8 Nevada TX DLLSTX37XWZ  004F BANDWIDTH.COM CLEC, LLC - TX 552   2009-02-21   
972-914 9 Nevada TX DLLSTX37XWZ  004F BANDWIDTH.COM CLEC, LLC - TX 552   2010-03-11   

Last updated: Fri, 22 Mar 2024 03:02:44 UTC

Sponsored by: VoIP Much Phone Company

Like this site? We accept donations via PayPal.