Local Calling Guide

Area code/prefix search

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

NXX: 983

NPA-NXX BLOCK Rate Centre Region Switch OCN LATA LIR Eff date Disc date
972-983 A Irving TX DLLSTXNODS0  7726 SOUTHWESTERN BELL TELEPHONE COMPANY - TX 552      
972-983 0 Irving TX   7726 SOUTHWESTERN BELL TELEPHONE COMPANY - TX 552      
972-983 1 Irving TX   6534 NEW CINGULAR WIRELESS PCS, LLC - IL 552   2005-07-04   
972-983 2 Irving TX   6534 NEW CINGULAR WIRELESS PCS, LLC - IL 552   2005-07-04   
972-983 3 Irving TX   6534 NEW CINGULAR WIRELESS PCS, LLC - IL 552   2005-07-04   
972-983 4 Irving TX   6534 NEW CINGULAR WIRELESS PCS, LLC - IL 552   2005-07-04   
972-983 5 Irving TX   6534 NEW CINGULAR WIRELESS PCS, LLC - IL 552   2005-07-04   
972-983 6 Irving TX   6534 NEW CINGULAR WIRELESS PCS, LLC - IL 552   2005-07-04   
972-983 7 Irving TX   6534 NEW CINGULAR WIRELESS PCS, LLC - IL 552   2006-03-10   
972-983 8 Irving TX   6534 NEW CINGULAR WIRELESS PCS, LLC - IL 552   2006-03-10   
972-983 9 Irving TX   6534 NEW CINGULAR WIRELESS PCS, LLC - IL 552   2006-03-10   

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

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