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: 338

NPA-NXX BLOCK Rate Centre Region Switch OCN LATA LIR Eff date Disc date
972-338 A Dallas TX DLLSTXADDS0  9533 SOUTHWESTERN BELL 552      
972-338 0 Dallas TX DLLTTXID1MD  5562 METROPCS, INC. 552   2011-03-24   
972-338 1 Dallas TX DLLSTXDNDS0  9533 SOUTHWESTERN BELL 552      
972-338 2 Dallas TX DLLSTXHM0MD  829J PAETEC ITEL, LLC 552   2012-02-17   
972-338 3 Dallas TX DLLSTXHM0MD  829J PAETEC ITEL, LLC 552   2012-02-17   
972-338 4 Dallas TX DLLSTX37XWZ  004F BANDWIDTH.COM CLEC, LLC - TX 552   2011-02-25   
972-338 5 Dallas TX DLLSTX37XWZ  004F BANDWIDTH.COM CLEC, LLC - TX 552   2011-02-25   
972-338 6 Dallas TX DLLSTXADDS0  9533 SOUTHWESTERN BELL 552      
972-338 7 Dallas TX DLLSTXADDS0  9533 SOUTHWESTERN BELL 552      
972-338 8 Dallas TX DLLSTXADDS0  9533 SOUTHWESTERN BELL 552      
972-338 9 Dallas TX DLLSTXALDS4  903C ONVOY, LLC - TX 552   2011-06-17   

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

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