Local Calling Guide

Area code/prefix search

Search area code/prefix (NPA/NXX)
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NPA: 972 [Rate centres in NPA 972] [Dial plan for NPA 972]

NXX: 954

NPA-NXX BLOCK Rate Centre Region Switch OCN LATA LIR Eff date Disc date
972-954 A Allen TX DLLSTXALDS4  903C ONVOY, LLC - TX 552      
972-954 0 Allen TX   951G INTEGRATED PATH COMMUNICATIONS, LLC - TX 552   2014-09-20   
972-954 1 Allen TX   6114 LEVEL 3 COMMUNICATIONS, LLC - TX 552   2013-07-27   
972-954 2 Allen TX   903C ONVOY, LLC - TX 552   2014-10-31   
972-954 3 Allen TX   004F BANDWIDTH.COM CLEC, LLC - TX 552   2014-05-11   
972-954 4 Allen TX   903C ONVOY, LLC - TX 552   2014-10-03   
972-954 5 Allen TX   6114 LEVEL 3 COMMUNICATIONS, LLC - TX 552   2012-03-12   
972-954 6 Allen TX   903C ONVOY, LLC - TX 552   2014-12-03   
972-954 7 Allen TX   516C AT&T CORP. 552   2006-06-30   
972-954 8 Allen TX   903C ONVOY, LLC - TX 552   2003-10-25   
972-954 9 Allen TX   004F BANDWIDTH.COM CLEC, LLC - TX 552   2014-12-19   

Last updated: Thu, 29 Jan 2026 14:35:03 UTC

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