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: 371

NPA-NXX BLOCK Rate Centre Region Switch OCN LATA LIR Eff date Disc date
972-371 A Dallas TX DLLSTXADDS0  9533 SOUTHWESTERN BELL 552      
972-371 0 Dallas TX DLLSTX37XWZ  004F BANDWIDTH.COM CLEC, LLC - TX 552   2018-04-07   
972-371 1 Dallas TX DLLSTXADDS0  9533 SOUTHWESTERN BELL 552      
972-371 2 Dallas TX DLLSTXADDS0  9533 SOUTHWESTERN BELL 552      
972-371 3 Dallas TX DLLSTXADDS0  9533 SOUTHWESTERN BELL 552      
972-371 4 Dallas TX DLLSTXADDS0  9533 SOUTHWESTERN BELL 552      
972-371 5 Dallas TX DLLSTXADDS0  9533 SOUTHWESTERN BELL 552      
972-371 6 Dallas TX DLLSTXADDS0  9533 SOUTHWESTERN BELL 552      
972-371 7 Dallas TX DLLTTXID1MD  5562 METROPCS, INC. 552   2015-01-28   
972-371 8 Dallas TX DLLTTXID1MD  5562 METROPCS, INC. 552   2011-03-24   
972-371 9 Dallas TX DLLTTXID1MD  5562 METROPCS, INC. 552   2011-03-24   

Last updated: Sun, 26 Jan 2025 15:59:20 UTC

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