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Irving, TX

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NPA-NXX BLOCK Switch OCN LATA LIR Eff date Disc date
972-594 5   4344 FRONTIER SOUTHWEST INC DBA FRONTIER COMM OF TEXAS 552      
972-594 6   4344 FRONTIER SOUTHWEST INC DBA FRONTIER COMM OF TEXAS 552      
972-594 7   4344 FRONTIER SOUTHWEST INC DBA FRONTIER COMM OF TEXAS 552      
972-594 8   4344 FRONTIER SOUTHWEST INC DBA FRONTIER COMM OF TEXAS 552      
972-594 9   903C ONVOY, LLC - TX 552   2011-03-09   
972-600 A IRNGTXXBXTY  903C ONVOY, LLC - TX 552      
972-600 0   7229 MCIMETRO ACCESS TRANSMISSION SERVICES LLC 552   2009-03-17   
972-600 1   6114 LEVEL 3 COMMUNICATIONS, LLC - TX 552   2008-10-07   
972-600 2   903C ONVOY, LLC - TX 552   2007-09-02   
972-600 3   7229 MCIMETRO ACCESS TRANSMISSION SERVICES LLC 552   2009-02-19   
972-600 4   7229 MCIMETRO ACCESS TRANSMISSION SERVICES LLC 552   2009-02-19   
972-600 5   7229 MCIMETRO ACCESS TRANSMISSION SERVICES LLC 552   2009-02-19   
972-600 6   7229 MCIMETRO ACCESS TRANSMISSION SERVICES LLC 552   2009-02-19   
972-600 7   7229 MCIMETRO ACCESS TRANSMISSION SERVICES LLC 552   2009-02-19   
972-600 8   793K TWC IP ENABLED SERVICES, LLC 552   2008-03-20   
972-600 9   793K TWC IP ENABLED SERVICES, LLC 552   2008-03-20   
972-607 A IRNGTXXADS0  4344 FRONTIER SOUTHWEST INC DBA FRONTIER COMM OF TEXAS 552      
972-607 0   5562 METROPCS, INC. 552   2008-02-24   
972-607 1   4344 FRONTIER SOUTHWEST INC DBA FRONTIER COMM OF TEXAS 552      
972-607 2   4344 FRONTIER SOUTHWEST INC DBA FRONTIER COMM OF TEXAS 552      
972-607 3   6114 LEVEL 3 COMMUNICATIONS, LLC - TX 552   2005-01-24   
972-607 4   6114 LEVEL 3 COMMUNICATIONS, LLC - TX 552   2005-02-16   
972-607 5   5562 METROPCS, INC. 552   2007-01-12   
972-607 6   5562 METROPCS, INC. 552   2007-01-12   
972-607 7   7726 SOUTHWESTERN BELL TELEPHONE COMPANY - TX 552   2002-10-13   
972-607 8   7726 SOUTHWESTERN BELL TELEPHONE COMPANY - TX 552   2002-10-13   
972-607 9   6114 LEVEL 3 COMMUNICATIONS, LLC - TX 552   2005-02-16   
972-650 A IRNGTXXEDS0  4344 FRONTIER SOUTHWEST INC DBA FRONTIER COMM OF TEXAS 552      
972-652 A IRNGTXXEDS0  4344 FRONTIER SOUTHWEST INC DBA FRONTIER COMM OF TEXAS 552      
972-652 0   004F BANDWIDTH.COM CLEC, LLC - TX 552   2010-10-28   
972-652 1   4344 FRONTIER SOUTHWEST INC DBA FRONTIER COMM OF TEXAS 552      
972-652 2   7726 SOUTHWESTERN BELL TELEPHONE COMPANY - TX 552   2009-10-06   
972-652 3   7726 SOUTHWESTERN BELL TELEPHONE COMPANY - TX 552   2008-01-03   
972-652 4   4344 FRONTIER SOUTHWEST INC DBA FRONTIER COMM OF TEXAS 552      
972-652 5   4344 FRONTIER SOUTHWEST INC DBA FRONTIER COMM OF TEXAS 552      
972-652 6   4344 FRONTIER SOUTHWEST INC DBA FRONTIER COMM OF TEXAS 552      
972-652 7   4344 FRONTIER SOUTHWEST INC DBA FRONTIER COMM OF TEXAS 552      
972-652 8   7148 TELEPORT COMMUNICATIONS AMERICA, LLC - TX 552   2010-08-09   
972-652 9   4344 FRONTIER SOUTHWEST INC DBA FRONTIER COMM OF TEXAS 552      
972-653 A IRNGTXXEDS0  4344 FRONTIER SOUTHWEST INC DBA FRONTIER COMM OF TEXAS 552      
972-653 0   6534 NEW CINGULAR WIRELESS PCS, LLC - IL 552   2007-01-06   
972-653 1   4344 FRONTIER SOUTHWEST INC DBA FRONTIER COMM OF TEXAS 552      
972-653 2   6534 NEW CINGULAR WIRELESS PCS, LLC - IL 552   2007-01-06   
972-653 3   4344 FRONTIER SOUTHWEST INC DBA FRONTIER COMM OF TEXAS 552      
972-653 4   7148 TELEPORT COMMUNICATIONS AMERICA, LLC - TX 552      
972-653 5   4344 FRONTIER SOUTHWEST INC DBA FRONTIER COMM OF TEXAS 552      
972-653 6   4344 FRONTIER SOUTHWEST INC DBA FRONTIER COMM OF TEXAS 552      
972-653 7   4344 FRONTIER SOUTHWEST INC DBA FRONTIER COMM OF TEXAS 552      
972-653 8   7148 TELEPORT COMMUNICATIONS AMERICA, LLC - TX 552      
972-653 9   4344 FRONTIER SOUTHWEST INC DBA FRONTIER COMM OF TEXAS 552      
972-655 A IRNGTXXEDS0  4344 FRONTIER SOUTHWEST INC DBA FRONTIER COMM OF TEXAS 552      
972-655 0   4344 FRONTIER SOUTHWEST INC DBA FRONTIER COMM OF TEXAS 552      
972-655 1   4344 FRONTIER SOUTHWEST INC DBA FRONTIER COMM OF TEXAS 552      
972-655 2   4344 FRONTIER SOUTHWEST INC DBA FRONTIER COMM OF TEXAS 552      
972-655 3   4344 FRONTIER SOUTHWEST INC DBA FRONTIER COMM OF TEXAS 552      
972-655 4   6534 NEW CINGULAR WIRELESS PCS, LLC - IL 552   2007-01-06   
972-655 5   4344 FRONTIER SOUTHWEST INC DBA FRONTIER COMM OF TEXAS 552      
972-655 6   6534 NEW CINGULAR WIRELESS PCS, LLC - IL 552   2007-01-06   
972-655 7   4344 FRONTIER SOUTHWEST INC DBA FRONTIER COMM OF TEXAS 552      
972-655 8   6534 NEW CINGULAR WIRELESS PCS, LLC - IL 552   2007-01-06   
972-655 9   6534 NEW CINGULAR WIRELESS PCS, LLC - IL 552   2007-01-06   
972-657 A IRNGTXXEDS0  4344 FRONTIER SOUTHWEST INC DBA FRONTIER COMM OF TEXAS 552      
972-657 0   5562 METROPCS, INC. 552   2007-03-19   
972-657 1   6114 LEVEL 3 COMMUNICATIONS, LLC - TX 552      
972-657 2   6114 LEVEL 3 COMMUNICATIONS, LLC - TX 552      
972-657 3   6114 LEVEL 3 COMMUNICATIONS, LLC - TX 552      
972-657 4   4344 FRONTIER SOUTHWEST INC DBA FRONTIER COMM OF TEXAS 552      
972-657 5   4344 FRONTIER SOUTHWEST INC DBA FRONTIER COMM OF TEXAS 552      
972-657 6   4344 FRONTIER SOUTHWEST INC DBA FRONTIER COMM OF TEXAS 552      
972-657 7   4344 FRONTIER SOUTHWEST INC DBA FRONTIER COMM OF TEXAS 552      
972-657 8   4344 FRONTIER SOUTHWEST INC DBA FRONTIER COMM OF TEXAS 552      
972-657 9   4344 FRONTIER SOUTHWEST INC DBA FRONTIER COMM OF TEXAS 552      
972-659 A IRNGTXXADS0  4344 FRONTIER SOUTHWEST INC DBA FRONTIER COMM OF TEXAS 552      
972-714 A IRNGTXXGDS0  4344 FRONTIER SOUTHWEST INC DBA FRONTIER COMM OF TEXAS 552      
972-717 A IRNGTXXEDS0  4344 FRONTIER SOUTHWEST INC DBA FRONTIER COMM OF TEXAS 552      
972-719 A IRNGTXXEDS0  4344 FRONTIER SOUTHWEST INC DBA FRONTIER COMM OF TEXAS 552      
972-721 A IRNGTXXCDS0  4344 FRONTIER SOUTHWEST INC DBA FRONTIER COMM OF TEXAS 552      
972-746 A DLLATX37DS6  6114 LEVEL 3 COMMUNICATIONS, LLC - TX 552      
972-746 0   5562 METROPCS, INC. 552   2004-10-04   
972-746 1   5562 METROPCS, INC. 552   2004-10-04   
972-746 2   6114 LEVEL 3 COMMUNICATIONS, LLC - TX 552   2004-06-15   
972-746 3   5562 METROPCS, INC. 552   2004-04-27   
972-746 4   6114 LEVEL 3 COMMUNICATIONS, LLC - TX 552      
972-746 5   5562 METROPCS, INC. 552   2004-04-09   
972-746 6   5562 METROPCS, INC. 552   2004-03-15   
972-746 7   5562 METROPCS, INC. 552   2004-03-15   
972-746 8   5562 METROPCS, INC. 552   2004-02-16   
972-746 9   5562 METROPCS, INC. 552   2004-02-16   
972-753 A IRNGTXXGDS0  4344 FRONTIER SOUTHWEST INC DBA FRONTIER COMM OF TEXAS 552      
972-756 A IRNGTXXGDS0  4344 FRONTIER SOUTHWEST INC DBA FRONTIER COMM OF TEXAS 552      
972-785 A IRNGTXXCDS0  4344 FRONTIER SOUTHWEST INC DBA FRONTIER COMM OF TEXAS 552      
972-785 0   4344 FRONTIER SOUTHWEST INC DBA FRONTIER COMM OF TEXAS 552      
972-785 1   4344 FRONTIER SOUTHWEST INC DBA FRONTIER COMM OF TEXAS 552      
972-785 2   4344 FRONTIER SOUTHWEST INC DBA FRONTIER COMM OF TEXAS 552      
972-785 3   4344 FRONTIER SOUTHWEST INC DBA FRONTIER COMM OF TEXAS 552      
972-785 4   7148 TELEPORT COMMUNICATIONS AMERICA, LLC - TX 552      
972-785 5   4344 FRONTIER SOUTHWEST INC DBA FRONTIER COMM OF TEXAS 552      
972-785 6   4344 FRONTIER SOUTHWEST INC DBA FRONTIER COMM OF TEXAS 552      
972-785 7   5562 METROPCS, INC. 552   2007-03-19   
972-785 8   4344 FRONTIER SOUTHWEST INC DBA FRONTIER COMM OF TEXAS 552      

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Last updated: Thu, 29 Jan 2026 14:35:03 UTC

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