Local Calling Guide

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Carrollton, TX

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NPA-NXX BLOCK Switch OCN LATA LIR Eff date Disc date
972-810 9 DLLRTXVM0MD  506J TWILIO INTERNATIONAL, INC. 552   2013-11-29   
972-820 A DLLSTXREDS0  7726 SOUTHWESTERN BELL TELEPHONE COMPANY - TX 552      
972-820 0 DLLSTXREDS0  7726 SOUTHWESTERN BELL TELEPHONE COMPANY - TX 552      
972-820 1 DLLSTXREDS0  7726 SOUTHWESTERN BELL TELEPHONE COMPANY - TX 552   2007-05-19   
972-820 2 DLLSTXREDS0  7726 SOUTHWESTERN BELL TELEPHONE COMPANY - TX 552      
972-820 3 DLLSTXREDS0  7726 SOUTHWESTERN BELL TELEPHONE COMPANY - TX 552      
972-820 4 DLLSTXREDS0  7726 SOUTHWESTERN BELL TELEPHONE COMPANY - TX 552      
972-820 5 DLLSTXREDS0  7726 SOUTHWESTERN BELL TELEPHONE COMPANY - TX 552      
972-820 6 DLLSTXREDS0  7726 SOUTHWESTERN BELL TELEPHONE COMPANY - TX 552      
972-820 7 DLLSTXREDS0  7726 SOUTHWESTERN BELL TELEPHONE COMPANY - TX 552      
972-820 8 DLLSTXREDS0  7726 SOUTHWESTERN BELL TELEPHONE COMPANY - TX 552      
972-820 9 DLLSTXREDS0  7726 SOUTHWESTERN BELL TELEPHONE COMPANY - TX 552      
972-862 A CRTNTXXCDS0  4344 FRONTIER SOUTHWEST INC DBA FRONTIER COMM OF TEXAS 552      
972-939 A CRTNTXXBDS0  4344 FRONTIER SOUTHWEST INC DBA FRONTIER COMM OF TEXAS 552      

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

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