Local Calling Guide

Area code/prefix search

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Midlothian EMS, TX

NPA-NXX BLOCK Switch OCN LATA LIR Eff date Disc date
972-723 A MDLTTXGRRS0  9533 SOUTHWESTERN BELL 552      
972-723 0 MDLTTXGRRS0  9533 SOUTHWESTERN BELL 552      
972-723 1 MDLTTXGRRS0  9533 SOUTHWESTERN BELL 552      
972-723 2 MDLTTXGRRS0  9533 SOUTHWESTERN BELL 552      
972-723 3 MDLTTXGRRS0  9533 SOUTHWESTERN BELL 552      
972-723 4 DLLSTXALDS4  903C ONVOY, LLC - TX 552   2003-10-27   
972-723 5 MDLTTXGRRS0  9533 SOUTHWESTERN BELL 552      
972-723 6 MDLTTXGRRS0  9533 SOUTHWESTERN BELL 552      
972-723 7 MDLTTXGRRS0  9533 SOUTHWESTERN BELL 552      
972-723 8 MDLTTXGRRS0  9533 SOUTHWESTERN BELL 552      
972-723 9 MDLTTXGRRS0  9533 SOUTHWESTERN BELL 552      

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

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