Local Calling Guide

Area code/prefix search

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NPA: 972 [Rate centres in NPA 972] [Dial plan for NPA 972]

NXX: 458

NPA-NXX BLOCK Rate Centre Region Switch OCN LATA LIR Eff date Disc date
972-458 A Dallas TX DLLSTXADDS0  9533 SOUTHWESTERN BELL 552      
972-458 0 Dallas TX DLLSTXADDS0  9533 SOUTHWESTERN BELL 552      
972-458 1 Dallas TX DLLSTXADDS0  9533 SOUTHWESTERN BELL 552      
972-458 2 Dallas TX DLLSTXADDS0  9533 SOUTHWESTERN BELL 552      
972-458 3 Dallas TX DLLSTXADDS0  9533 SOUTHWESTERN BELL 552      
972-458 4 Dallas TX DLLSTXADDS0  9533 SOUTHWESTERN BELL 552      
972-458 5 Dallas TX DLLSTXADDS0  9533 SOUTHWESTERN BELL 552      
972-458 6 Dallas TX DLLSTXADDS0  9533 SOUTHWESTERN BELL 552      
972-458 7 Dallas TX DLLSTXADDS0  9533 SOUTHWESTERN BELL 552      
972-458 8 Dallas TX DLLSTXADDS0  9533 SOUTHWESTERN BELL 552      

Last updated: Sun, 01 Jun 2025 02:18:11 UTC

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