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: 503

NPA-NXX BLOCK Rate Centre Region Switch OCN LATA LIR Eff date Disc date
972-503 A Dallas TX DLLSTXADDS0  9533 SOUTHWESTERN BELL 552      
972-503 0 Dallas TX DLLSTXADDS0  9533 SOUTHWESTERN BELL 552      
972-503 1 Dallas TX DLLSTXADDS0  9533 SOUTHWESTERN BELL 552      
972-503 2 Dallas TX DLLTTX01DMD  5562 METROPCS, INC. 552   2018-05-25   
972-503 3 Dallas TX DLLSTXADDS0  9533 SOUTHWESTERN BELL 552      
972-503 4 Dallas TX DLLSTX37XWZ  004F BANDWIDTH.COM CLEC, LLC - TX 552   2014-10-18   
972-503 5 Dallas TX DLLTTX01DMD  5562 METROPCS, INC. 552   2019-07-18   
972-503 6 Dallas TX DLLSTX37XWZ  004F BANDWIDTH.COM CLEC, LLC - TX 552   2018-07-15   
972-503 7 Dallas TX DLLSTXADDS0  9533 SOUTHWESTERN BELL 552      
972-503 8 Dallas TX DLLSTXALDS4  903C ONVOY, LLC - TX 552   2016-02-15   
972-503 9 Dallas TX DLLSTX37XWZ  004F BANDWIDTH.COM CLEC, LLC - TX 552   2018-07-15   

Last updated: Tue, 16 Apr 2024 01:38:01 UTC

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