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: 997

NPA-NXX BLOCK Rate Centre Region Switch OCN LATA LIR Eff date Disc date
972-997 A Dallas TX DLLSTXRNDS0  9533 SOUTHWESTERN BELL 552      
972-997 0 Dallas TX DLLSTXRNDS0  9533 SOUTHWESTERN BELL 552      
972-997 1 Dallas TX DLLTTXID1MD  5562 METROPCS, INC. 552   2011-03-24   
972-997 2 Dallas TX DLLSTXRNDS0  9533 SOUTHWESTERN BELL 552      
972-997 3 Dallas TX DLLSTXRNDS0  9533 SOUTHWESTERN BELL 552      
972-997 4 Dallas TX DLLSTXRNDS0  9533 SOUTHWESTERN BELL 552      
972-997 5 Dallas TX DLLTTXID1MD  5562 METROPCS, INC. 552   2011-03-24   
972-997 6 Dallas TX DLLTTXID1MD  5562 METROPCS, INC. 552   2011-03-24   
972-997 7 Dallas TX DLLSTXRNDS0  9533 SOUTHWESTERN BELL 552      
972-997 8 Dallas TX DLLSTXRNDS0  9533 SOUTHWESTERN BELL 552      
972-997 9 Dallas TX DLLSTXRNDS0  9533 SOUTHWESTERN BELL 552      

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

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