Local Calling Guide

Area code/prefix search

Search area code/prefix (NPA/NXX)
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Combine EMS, TX

NPA-NXX BLOCK Switch OCN LATA LIR Eff date Disc date
972-476 A DLLSTXSEDS0  9533 SOUTHWESTERN BELL 552      
972-476 0   177F PEERLESS NETWORK OF TEXAS, LLC - TX 552   2012-05-07   
972-476 1   177F PEERLESS NETWORK OF TEXAS, LLC - TX 552   2012-05-07   
972-476 2   903C ONVOY, LLC - TX 552   2016-04-07   
972-476 3   177F PEERLESS NETWORK OF TEXAS, LLC - TX 552   2012-05-07   
972-476 4   177F PEERLESS NETWORK OF TEXAS, LLC - TX 552   2012-05-07   
972-476 5   177F PEERLESS NETWORK OF TEXAS, LLC - TX 552   2012-05-07   
972-476 6   9533 SOUTHWESTERN BELL 552      
972-476 7   903C ONVOY, LLC - TX 552   2008-08-02   
972-476 8   177F PEERLESS NETWORK OF TEXAS, LLC - TX 552   2012-05-07   
972-476 9   177F PEERLESS NETWORK OF TEXAS, LLC - TX 552   2012-05-07   

Last updated: Fri, 01 Jul 2022 02:53:40 UTC

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