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: 204

NPA-NXX BLOCK Rate Centre Region Switch OCN LATA LIR Eff date Disc date
972-204 A Dallas TX DLLSTXMSDS0  9533 SOUTHWESTERN BELL 552      
972-204 0 Dallas TX DLLSTXMSDS0  9533 SOUTHWESTERN BELL 552      
972-204 1 Dallas TX DLLSTXMSDS0  9533 SOUTHWESTERN BELL 552      
972-204 2 Dallas TX DLLSTXMSDS0  9533 SOUTHWESTERN BELL 552      
972-204 3 Dallas TX DLLSTXMSDS0  9533 SOUTHWESTERN BELL 552      
972-204 4 Dallas TX DLLSTXMSDS0  9533 SOUTHWESTERN BELL 552      
972-204 5 Dallas TX DLLSTXJFDS0  7229 MCIMETRO ACCESS TRANSMISSION SERVICES LLC 552      
972-204 6 Dallas TX DLLSTXMSDS0  9533 SOUTHWESTERN BELL 552      
972-204 7 Dallas TX DLLSTXMSDS0  9533 SOUTHWESTERN BELL 552      
972-204 8 Dallas TX DLLSTXRNDS1  9533 SOUTHWESTERN BELL 552      
972-204 9 Dallas TX DLLSTXRODS0  9533 SOUTHWESTERN BELL 552      

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

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