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: 744

NPA-NXX BLOCK Rate Centre Region Switch OCN LATA LIR Eff date Disc date
972-744 A Dallas TX DLLSTXRNDS0  9533 SOUTHWESTERN BELL 552      
972-744 0 Dallas TX DLLSTXRNDS0  9533 SOUTHWESTERN BELL 552      
972-744 1 Dallas TX DLLSTXRNDS0  9533 SOUTHWESTERN BELL 552      
972-744 2 Dallas TX DLLSTXRNDS0  9533 SOUTHWESTERN BELL 552      
972-744 3 Dallas TX DLLSTXSQDS2  8958 XO TEXAS, INC. 552   2010-11-03   
972-744 4 Dallas TX DLLSTXRNDS0  9533 SOUTHWESTERN BELL 552      
972-744 5 Dallas TX DLLSTXRNDS0  9533 SOUTHWESTERN BELL 552      
972-744 6 Dallas TX DLLSTXSQDS2  8958 XO TEXAS, INC. 552   2010-11-03   
972-744 7 Dallas TX DLLSTXRNDS0  9533 SOUTHWESTERN BELL 552      
972-744 8 Dallas TX DLLSTXRNDS0  9533 SOUTHWESTERN BELL 552      
972-744 9 Dallas TX DLLSTXRNDS0  9533 SOUTHWESTERN BELL 552      

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

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