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: 776

NPA-NXX BLOCK Rate Centre Region Switch OCN LATA LIR Eff date Disc date
972-776 A Dallas TX DLLSTXADDS0  9533 SOUTHWESTERN BELL 552      
972-776 0 Dallas TX DLLSTXADDS0  9533 SOUTHWESTERN BELL 552      
972-776 1 Dallas TX DLLSTXADDS0  9533 SOUTHWESTERN BELL 552      
972-776 2 Dallas TX DLLATX37DS6  6114 LEVEL 3 COMMUNICATIONS, LLC - TX 552   2011-01-15   
972-776 3 Dallas TX DLLSTXADDS0  9533 SOUTHWESTERN BELL 552      
972-776 4 Dallas TX DLLSTX37XWZ  004F BANDWIDTH.COM CLEC, LLC - TX 552   2018-07-15   
972-776 5 Dallas TX DLLSTXADDS0  9533 SOUTHWESTERN BELL 552      
972-776 6 Dallas TX DLLATX37DS6  6114 LEVEL 3 COMMUNICATIONS, LLC - TX 552   2011-06-19   
972-776 7 Dallas TX DLLSTXTAXTZ  624H ONVOY SPECTRUM, LLC 552   2021-12-19   
972-776 8 Dallas TX DLLSTXADDS0  9533 SOUTHWESTERN BELL 552      
972-776 9 Dallas TX DLLSTXADDS0  9533 SOUTHWESTERN BELL 552      

Last updated: Fri, 22 Mar 2024 03:02:44 UTC

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