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: 556

NPA-NXX BLOCK Rate Centre Region Switch OCN LATA LIR Eff date Disc date
972-556 A Dallas TX DLLSTXNODS0  9533 SOUTHWESTERN BELL 552      
972-556 0 Dallas TX DLLSTXNODS0  9533 SOUTHWESTERN BELL 552      
972-556 1 Dallas TX DLLSTXNODS0  9533 SOUTHWESTERN BELL 552      
972-556 2 Dallas TX DLLSTXNODS0  9533 SOUTHWESTERN BELL 552      
972-556 3 Dallas TX DLLSTXNODS0  9533 SOUTHWESTERN BELL 552      
972-556 4 Dallas TX DLLSTXNODS0  9533 SOUTHWESTERN BELL 552      
972-556 5 Dallas TX DLLSTX37XWZ  004F BANDWIDTH.COM CLEC, LLC - TX 552      
972-556 6 Dallas TX DLLSTXNODS0  9533 SOUTHWESTERN BELL 552      
972-556 7 Dallas TX DLLSTXNODS0  9533 SOUTHWESTERN BELL 552      
972-556 8 Dallas TX DLLSTXNODS0  9533 SOUTHWESTERN BELL 552      
972-556 9 Dallas TX DLLSTXNODS0  9533 SOUTHWESTERN BELL 552      

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

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