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: 851

NPA-NXX BLOCK Rate Centre Region Switch OCN LATA LIR Eff date Disc date
972-851 A Dallas TX DLLSTXADDS0  9533 SOUTHWESTERN BELL 552      
972-851 0 Dallas TX DLLSTXADDS0  9533 SOUTHWESTERN BELL 552      
972-851 1 Dallas TX DLLSTXTAXTZ  624H ONVOY SPECTRUM, LLC 552      
972-851 2 Dallas TX DLLSTXADDS0  9533 SOUTHWESTERN BELL 552      
972-851 3 Dallas TX DLLSTXADDS0  9533 SOUTHWESTERN BELL 552      
972-851 4 Dallas TX DLLSTXADDS0  9533 SOUTHWESTERN BELL 552      
972-851 5 Dallas TX DLLSTXADDS0  9533 SOUTHWESTERN BELL 552      
972-851 6 Dallas TX DLLSTXADDS0  9533 SOUTHWESTERN BELL 552      
972-851 7 Dallas TX DLLSTXADDS0  9533 SOUTHWESTERN BELL 552      
972-851 8 Dallas TX DLLSTXADDS0  9533 SOUTHWESTERN BELL 552      
972-851 9 Dallas TX DLLSTXADDS0  9533 SOUTHWESTERN BELL 552      

Last updated: Wed, 20 Nov 2024 21:20:06 UTC

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