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: 845

NPA-NXX BLOCK Rate Centre Region Switch OCN LATA LIR Eff date Disc date
972-845 A Palmer EMS TX PLMRTXXARS0  2154 FRONTIER SOUTHWEST INC DBA FRONTIER COMM OF TEXAS 552      
972-845 0 Palmer EMS TX   951G INTEGRATED PATH COMMUNICATIONS, LLC - TX 552   2014-09-20   
972-845 1 Palmer EMS TX   004F BANDWIDTH.COM CLEC, LLC - TX 552   2015-04-05   
972-845 2 Palmer EMS TX   2154 FRONTIER SOUTHWEST INC DBA FRONTIER COMM OF TEXAS 552      
972-845 3 Palmer EMS TX   2154 FRONTIER SOUTHWEST INC DBA FRONTIER COMM OF TEXAS 552      
972-845 4 Palmer EMS TX   903C ONVOY, LLC - TX 552   2016-03-02   
972-845 5 Palmer EMS TX   6114 LEVEL 3 COMMUNICATIONS, LLC - TX 552   2012-02-25   
972-845 6 Palmer EMS TX   508J CENTURYLINK COMMUNICATIONS LLC 552   2014-05-15   
972-845 7 Palmer EMS TX   903C ONVOY, LLC - TX 552   2009-03-08   
972-845 8 Palmer EMS TX   903C ONVOY, LLC - TX 552   2016-03-02   
972-845 9 Palmer EMS TX   903C ONVOY, LLC - TX 552   2016-04-11   

Last updated: Fri, 01 Jul 2022 02:53:40 UTC

Sponsored by: VoiceMeUp - Corporate VoIP Services

Like this site? We accept donations via PayPal.