Local Calling Guide

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

NXX: 330

NPA-NXX BLOCK Rate Centre Region Switch OCN LATA LIR Eff date Disc date
972-330 A Ennis TX DLLSTXALDS4  903C ONVOY, LLC - TX 552      
972-330 0 Ennis TX   6529 T-MOBILE USA, INC. 552   2006-01-15   
972-330 1 Ennis TX   6529 T-MOBILE USA, INC. 552   2018-09-28   
972-330 2 Ennis TX   6114 LEVEL 3 COMMUNICATIONS, LLC - TX 552   2011-08-27   
972-330 3 Ennis TX   6529 T-MOBILE USA, INC. 552   2010-09-11   
972-330 4 Ennis TX   6114 LEVEL 3 COMMUNICATIONS, LLC - TX 552   2005-03-21   
972-330 5 Ennis TX   6114 LEVEL 3 COMMUNICATIONS, LLC - TX 552   2009-03-20   
972-330 6 Ennis TX   6529 T-MOBILE USA, INC. 552   2010-09-11   
972-330 7 Ennis TX   6529 T-MOBILE USA, INC. 552   2009-11-30   
972-330 8 Ennis TX   903C ONVOY, LLC - TX 552   2004-03-11   
972-330 9 Ennis TX   6529 T-MOBILE USA, INC. 552   2009-11-30   

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

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