Local Calling Guide

Area code/prefix search

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

NXX: 779

NPA-NXX BLOCK Rate Centre Region Switch OCN LATA LIR Eff date Disc date
972-779 A Cedar Hill EMS TX DLLSTXCHDS0  9533 SOUTHWESTERN BELL 552      
972-779 0 Cedar Hill EMS TX   004F BANDWIDTH.COM CLEC, LLC - TX 552   2019-05-24   
972-779 1 Cedar Hill EMS TX   9533 SOUTHWESTERN BELL 552      
972-779 2 Cedar Hill EMS TX   9533 SOUTHWESTERN BELL 552      
972-779 3 Cedar Hill EMS TX   9533 SOUTHWESTERN BELL 552      
972-779 4 Cedar Hill EMS TX   9533 SOUTHWESTERN BELL 552      
972-779 5 Cedar Hill EMS TX   903C ONVOY, LLC - TX 552   2020-04-29   
972-779 6 Cedar Hill EMS TX   903C ONVOY, LLC - TX 552   2020-09-18   
972-779 7 Cedar Hill EMS TX   9533 SOUTHWESTERN BELL 552      
972-779 8 Cedar Hill EMS TX   9533 SOUTHWESTERN BELL 552      
972-779 9 Cedar Hill EMS TX   903C ONVOY, LLC - TX 552   2020-09-18   

Last updated: Thu, 01 Jan 2026 03:59:49 UTC

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