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: 686

NPA-NXX BLOCK Rate Centre Region Switch OCN LATA LIR Eff date Disc date
972-686 A Dallas TX DLLSTXNMDS0  9533 SOUTHWESTERN BELL 552      
972-686 0 Dallas TX DLLSTXNMDS0  9533 SOUTHWESTERN BELL 552      
972-686 1 Dallas TX DLLSTXNMDS0  9533 SOUTHWESTERN BELL 552      
972-686 2 Dallas TX DLLSTXNMDS0  9533 SOUTHWESTERN BELL 552      
972-686 3 Dallas TX DLLSTXNMDS0  9533 SOUTHWESTERN BELL 552      
972-686 4 Dallas TX DLLSTXNMDS0  9533 SOUTHWESTERN BELL 552      
972-686 5 Dallas TX DLLSTXNMDS0  9533 SOUTHWESTERN BELL 552      
972-686 6 Dallas TX   9533 SOUTHWESTERN BELL 552      
972-686 7 Dallas TX DLLSTXNMDS0  9533 SOUTHWESTERN BELL 552      
972-686 9 Dallas TX DLLSTXNMDS0  9533 SOUTHWESTERN BELL 552      

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

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