Local Calling Guide

Area code/prefix search

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

NXX: 584

NPA-NXX BLOCK Rate Centre Region Switch OCN LATA LIR Eff date Disc date
972-584 A Dallas TX DLLSTXNODS0  9533 SOUTHWESTERN BELL 552      
972-584 0 Dallas TX DLLATX37DS6  6114 LEVEL 3 COMMUNICATIONS, LLC - TX 552   2010-05-01   
972-584 1 Dallas TX DLLATX37DS6  6114 LEVEL 3 COMMUNICATIONS, LLC - TX 552   2010-05-01   
972-584 2 Dallas TX DLLSTXNODS0  9533 SOUTHWESTERN BELL 552      
972-584 3 Dallas TX DLLSTXNODS0  9533 SOUTHWESTERN BELL 552      
972-584 4 Dallas TX DLLSTXNODS0  9533 SOUTHWESTERN BELL 552      
972-584 5 Dallas TX DLLSTXNODS0  9533 SOUTHWESTERN BELL 552      
972-584 6 Dallas TX DLLSTXSQDS2  8958 XO TEXAS, INC. 552   2012-01-30   
972-584 7 Dallas TX DLLSTX37XWZ  004F BANDWIDTH.COM CLEC, LLC - TX 552   2012-08-16   
972-584 8 Dallas TX DLLSTXNODS0  9533 SOUTHWESTERN BELL 552      
972-584 9 Dallas TX DLLATX37DS6  6114 LEVEL 3 COMMUNICATIONS, LLC - TX 552   2010-06-17   

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

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