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Irving EMS, TX

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NPA-NXX BLOCK Switch OCN LATA LIR Eff date Disc date
972-465 3 IRNGTXXGDS0  4344 FRONTIER SOUTHWEST INC DBA FRONTIER COMM OF TEXAS 552      
972-465 4 IRNGTXXGDS0  4344 FRONTIER SOUTHWEST INC DBA FRONTIER COMM OF TEXAS 552      
972-465 5 IRNGTXXGDS0  4344 FRONTIER SOUTHWEST INC DBA FRONTIER COMM OF TEXAS 552      
972-465 6 IRNGTXXGDS0  4344 FRONTIER SOUTHWEST INC DBA FRONTIER COMM OF TEXAS 552      
972-465 7 IRNGTXXGDS0  4344 FRONTIER SOUTHWEST INC DBA FRONTIER COMM OF TEXAS 552      
972-465 8 IRNGTXXGDS0  4344 FRONTIER SOUTHWEST INC DBA FRONTIER COMM OF TEXAS 552      
972-465 9 DLLSTX37XWZ  004F BANDWIDTH.COM CLEC, LLC - TX 552   2011-05-15   
972-507 A IRNGTXXEDS0  4344 FRONTIER SOUTHWEST INC DBA FRONTIER COMM OF TEXAS 552      
972-514 A IRNGTXXDDS0  4344 FRONTIER SOUTHWEST INC DBA FRONTIER COMM OF TEXAS 552      
972-514 0 IRNGTXXDDS0  4344 FRONTIER SOUTHWEST INC DBA FRONTIER COMM OF TEXAS 552      
972-514 1   793K TWC IP ENABLED SERVICES, LLC 552   2002-09-10   
972-514 2 FRBRTXBLGT9  6534 NEW CINGULAR WIRELESS PCS, LLC - IL 552   2007-01-06   
972-514 3 IRNGTXXBXTY  903C ONVOY, LLC - TX 552   2008-09-13   
972-514 4 DLLTTX01DMD  6529 T-MOBILE USA, INC. 552   2024-12-03   
972-514 5 DLLTTX01DMD  6529 T-MOBILE USA, INC. 552   2024-12-03   
972-514 6 DLLSTX37XWZ  004F BANDWIDTH.COM CLEC, LLC - TX 552   2009-11-20   
972-514 7 DLLSTX37XWZ  004F BANDWIDTH.COM CLEC, LLC - TX 552   2009-11-20   
972-514 8   903C ONVOY, LLC - TX 552   2008-09-13   
972-514 9 FRBRTXBLGT9  6534 NEW CINGULAR WIRELESS PCS, LLC - IL 552   2007-01-06   
972-545 A DLLSTX97DSS  6630 SPOK, INC. 552      
972-621 A IRNGTXXFDS0  4344 FRONTIER SOUTHWEST INC DBA FRONTIER COMM OF TEXAS 552      
972-621 0 IRNGTXXFDS0  4344 FRONTIER SOUTHWEST INC DBA FRONTIER COMM OF TEXAS 552      
972-621 1 DLLTTX01DMD  5562 METROPCS, INC. 552   2011-07-29   
972-621 2 IRNGTXXFDS0  4344 FRONTIER SOUTHWEST INC DBA FRONTIER COMM OF TEXAS 552      
972-621 3 IRNGTXXFDS0  4344 FRONTIER SOUTHWEST INC DBA FRONTIER COMM OF TEXAS 552      
972-621 4 IRNGTXXFDS0  4344 FRONTIER SOUTHWEST INC DBA FRONTIER COMM OF TEXAS 552      
972-621 5 IRNGTXXFDS0  4344 FRONTIER SOUTHWEST INC DBA FRONTIER COMM OF TEXAS 552      
972-621 6 IRNGTXXFDS0  4344 FRONTIER SOUTHWEST INC DBA FRONTIER COMM OF TEXAS 552      
972-621 7 IRNGTXXFDS0  4344 FRONTIER SOUTHWEST INC DBA FRONTIER COMM OF TEXAS 552      
972-621 8 IRNGTXXFDS0  4344 FRONTIER SOUTHWEST INC DBA FRONTIER COMM OF TEXAS 552      
972-621 9 DLLTTX01DMD  5562 METROPCS, INC. 552   2011-07-29   
972-718 A IRNGTXXEDS0  4344 FRONTIER SOUTHWEST INC DBA FRONTIER COMM OF TEXAS 552      
972-751 A IRNGTXXGDS0  4344 FRONTIER SOUTHWEST INC DBA FRONTIER COMM OF TEXAS 552      
972-791 A IRNGTXXEDS0  4344 FRONTIER SOUTHWEST INC DBA FRONTIER COMM OF TEXAS 552      
972-791 0 IRNGTXXEDS0  4344 FRONTIER SOUTHWEST INC DBA FRONTIER COMM OF TEXAS 552      
972-791 1 IRNGTXXEDS0  4344 FRONTIER SOUTHWEST INC DBA FRONTIER COMM OF TEXAS 552      
972-791 2 IRNGTXXEDS0  4344 FRONTIER SOUTHWEST INC DBA FRONTIER COMM OF TEXAS 552      
972-791 3 IRNGTXXEDS0  4344 FRONTIER SOUTHWEST INC DBA FRONTIER COMM OF TEXAS 552      
972-791 4 IRNGTXXEDS0  4344 FRONTIER SOUTHWEST INC DBA FRONTIER COMM OF TEXAS 552      
972-791 5 IRNGTXXEDS0  4344 FRONTIER SOUTHWEST INC DBA FRONTIER COMM OF TEXAS 552      
972-791 6 IRNGTXXEDS0  4344 FRONTIER SOUTHWEST INC DBA FRONTIER COMM OF TEXAS 552      
972-791 7 IRNGTXXEDS0  4344 FRONTIER SOUTHWEST INC DBA FRONTIER COMM OF TEXAS 552      
972-791 8 DLLATX37DS6  6114 LEVEL 3 COMMUNICATIONS, LLC - TX 552   2007-07-26   
972-791 9 IRNGTXXEDS0  4344 FRONTIER SOUTHWEST INC DBA FRONTIER COMM OF TEXAS 552      
972-822 A FRBRTXBLGT9  6534 NEW CINGULAR WIRELESS PCS, LLC - IL 552      
972-822 0 FRBRTXBLGT9  6534 NEW CINGULAR WIRELESS PCS, LLC - IL 552      
972-822 1 FRBRTXBLGT9  6534 NEW CINGULAR WIRELESS PCS, LLC - IL 552      
972-822 2 DLLSTXJFDS0  7229 MCIMETRO ACCESS TRANSMISSION SERVICES LLC 552   2011-06-06   
972-822 3 FRBRTXBLGT9  6534 NEW CINGULAR WIRELESS PCS, LLC - IL 552   2005-03-13   
972-822 4 FRBRTXBLGT9  6534 NEW CINGULAR WIRELESS PCS, LLC - IL 552   2005-03-13   

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Last updated: Sat, 02 May 2026 12:20:53 UTC

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