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: 889

NPA-NXX BLOCK Rate Centre Region Switch OCN LATA LIR Eff date Disc date
972-889 A Dallas TX DLLSTXRNDS0  9533 SOUTHWESTERN BELL 552      
972-889 0 Dallas TX DLLSTXRNDS0  9533 SOUTHWESTERN BELL 552      
972-889 1 Dallas TX DLLSTXRNDS0  9533 SOUTHWESTERN BELL 552      
972-889 2 Dallas TX DLLSTXRNDS0  9533 SOUTHWESTERN BELL 552      
972-889 3 Dallas TX DLLSTXRNDS0  9533 SOUTHWESTERN BELL 552      
972-889 4 Dallas TX DLLSTXRNDS0  9533 SOUTHWESTERN BELL 552      
972-889 5 Dallas TX DLLSTXRNDS0  9533 SOUTHWESTERN BELL 552      
972-889 6 Dallas TX DLLSTXRNDS0  9533 SOUTHWESTERN BELL 552      
972-889 7 Dallas TX DLLSTXHM4MD  7982 CAPROCK TELECOMMUNICATIONS CORP. - TX 552   2012-08-27   
972-889 8 Dallas TX DLLSTXRNDS0  9533 SOUTHWESTERN BELL 552      
972-889 9 Dallas TX DLLSTX37XWZ  004F BANDWIDTH.COM CLEC, LLC - TX 552   2018-07-15   

Last updated: Tue, 16 Apr 2024 01:38:01 UTC

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