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Lewisville, TX

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NPA-NXX BLOCK Switch OCN LATA LIR Eff date Disc date
972-829 3 DLLATX37DS6  6114 LEVEL 3 COMMUNICATIONS, LLC - TX 552      
972-829 4 DLLATX37DS6  6114 LEVEL 3 COMMUNICATIONS, LLC - TX 552      
972-829 5 FRBRTXBLGT9  6534 NEW CINGULAR WIRELESS PCS, LLC - IL 552   2017-09-11   
972-829 6   6114 LEVEL 3 COMMUNICATIONS, LLC - TX 552      
972-829 7 FTWOTXEDX1Z  7148 TELEPORT COMMUNICATIONS AMERICA, LLC - TX 552   2009-01-02   
972-829 8 DLLSTXJFPS1  7229 MCIMETRO ACCESS TRANSMISSION SERVICES LLC 552   2002-12-03   
972-829 9 DNTNTXXAX5Y  624H ONVOY SPECTRUM, LLC 552   2024-12-13   
972-874 A LWVLTXXCDS0  4344 FRONTIER SOUTHWEST INC DBA FRONTIER COMM OF TEXAS 552      
972-899 A FRSCTXBJPS0  7670 GRANDE COMMUNICATIONS NETWORKS, INC. - TX 552      
972-906 A DLLSTXNODS0  7726 SOUTHWESTERN BELL TELEPHONE COMPANY - TX 552      
972-906 0 DLLSTXNODS0  7726 SOUTHWESTERN BELL TELEPHONE COMPANY - TX 552      
972-906 1 DLLSTXNODS0  7726 SOUTHWESTERN BELL TELEPHONE COMPANY - TX 552      
972-906 2 DLLSTXNODS0  7726 SOUTHWESTERN BELL TELEPHONE COMPANY - TX 552      
972-906 3 DLLSTXNODS0  7726 SOUTHWESTERN BELL TELEPHONE COMPANY - TX 552      
972-906 4 DLLSTXNODS0  7726 SOUTHWESTERN BELL TELEPHONE COMPANY - TX 552      
972-906 5 DLLSTXNODS0  7726 SOUTHWESTERN BELL TELEPHONE COMPANY - TX 552      
972-906 6 DLLSTXNODS0  7726 SOUTHWESTERN BELL TELEPHONE COMPANY - TX 552      
972-906 7 DLLSTXNODS0  7726 SOUTHWESTERN BELL TELEPHONE COMPANY - TX 552      
972-906 8 DLLSTXNODS0  7726 SOUTHWESTERN BELL TELEPHONE COMPANY - TX 552   2006-03-03   
972-906 9 DLLSTXNODS0  7726 SOUTHWESTERN BELL TELEPHONE COMPANY - TX 552      
972-956 A DLLSTXNODS0  7726 SOUTHWESTERN BELL TELEPHONE COMPANY - TX 552      
972-966 A LWVLTXXFDS0  4344 FRONTIER SOUTHWEST INC DBA FRONTIER COMM OF TEXAS 552      
972-966 0 LWVLTXXFDS0  4344 FRONTIER SOUTHWEST INC DBA FRONTIER COMM OF TEXAS 552      
972-966 1 LWVLTXXFDS0  4344 FRONTIER SOUTHWEST INC DBA FRONTIER COMM OF TEXAS 552      
972-966 2 LWVLTXXFDS0  4344 FRONTIER SOUTHWEST INC DBA FRONTIER COMM OF TEXAS 552      
972-966 3 LWVLTXXFDS0  4344 FRONTIER SOUTHWEST INC DBA FRONTIER COMM OF TEXAS 552      
972-966 4 LWVLTXXFDS0  4344 FRONTIER SOUTHWEST INC DBA FRONTIER COMM OF TEXAS 552      
972-966 5 DLLBTXPVDS0  7148 TELEPORT COMMUNICATIONS AMERICA, LLC - TX 552   2008-08-18   
972-966 6 LWVLTXXFDS0  4344 FRONTIER SOUTHWEST INC DBA FRONTIER COMM OF TEXAS 552      
972-966 7 DLLFTXFQDS1  7516 LEVEL 3 OF TELECOM OF TEXAS, LLC - TX 552   2010-03-19   
972-966 8 LWVLTXXFDS0  4344 FRONTIER SOUTHWEST INC DBA FRONTIER COMM OF TEXAS 552      
972-966 9 DLLTTXID1MD  5562 METROPCS, INC. 552   2007-02-09   

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

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