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Irving, TX

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NPA-NXX BLOCK Switch OCN LATA LIR Eff date Disc date
972-313 5   6534 NEW CINGULAR WIRELESS PCS, LLC - IL 552   2006-03-10   
972-313 6   4344 FRONTIER SOUTHWEST INC DBA FRONTIER COMM OF TEXAS 552      
972-313 7   4344 FRONTIER SOUTHWEST INC DBA FRONTIER COMM OF TEXAS 552      
972-313 8   4344 FRONTIER SOUTHWEST INC DBA FRONTIER COMM OF TEXAS 552      
972-313 9   4344 FRONTIER SOUTHWEST INC DBA FRONTIER COMM OF TEXAS 552      
972-374 A DLLSTXJFPS1  7229 MCIMETRO ACCESS TRANSMISSION SERVICES LLC 552      
972-374 0   7229 MCIMETRO ACCESS TRANSMISSION SERVICES LLC 552      
972-374 1   7229 MCIMETRO ACCESS TRANSMISSION SERVICES LLC 552      
972-374 2   7229 MCIMETRO ACCESS TRANSMISSION SERVICES LLC 552      
972-374 3   7229 MCIMETRO ACCESS TRANSMISSION SERVICES LLC 552      
972-374 4   7229 MCIMETRO ACCESS TRANSMISSION SERVICES LLC 552      
972-374 5   7229 MCIMETRO ACCESS TRANSMISSION SERVICES LLC 552      
972-374 6   5562 METROPCS, INC. 552   2008-02-24   
972-374 7   5562 METROPCS, INC. 552   2006-04-11   
972-374 8   5562 METROPCS, INC. 552   2006-04-11   
972-374 9   7229 MCIMETRO ACCESS TRANSMISSION SERVICES LLC 552      
972-438 A IRNGTXXCDS0  4344 FRONTIER SOUTHWEST INC DBA FRONTIER COMM OF TEXAS 552      
972-457 A IRNGTXXBXTY  903C ONVOY, LLC - TX 552      
972-457 0   793K TWC IP ENABLED SERVICES, LLC 552   2014-12-07   
972-457 1   903C ONVOY, LLC - TX 552   2012-06-24   
972-457 2   903C ONVOY, LLC - TX 552   2012-06-24   
972-457 3   6114 LEVEL 3 COMMUNICATIONS, LLC - TX 552   2013-11-10   
972-457 4   7516 LEVEL 3 OF TELECOM OF TEXAS, LLC - TX 552   2013-09-26   
972-457 5   7229 MCIMETRO ACCESS TRANSMISSION SERVICES LLC 552   2013-07-22   
972-457 6   7229 MCIMETRO ACCESS TRANSMISSION SERVICES LLC 552   2013-07-22   
972-457 7   7229 MCIMETRO ACCESS TRANSMISSION SERVICES LLC 552   2013-07-22   
972-457 8   7229 MCIMETRO ACCESS TRANSMISSION SERVICES LLC 552   2013-07-22   
972-457 9   508J CENTURYLINK COMMUNICATIONS, LLC 552   2014-02-18   
972-500 A DLLSTX97DSS  6630 USA MOBILITY WIRELESS, INC. 552      
972-505 A DLLSTXJFDS0  7229 MCIMETRO ACCESS TRANSMISSION SERVICES LLC 552      
972-505 0   5562 METROPCS, INC. 552   2006-10-02   
972-505 1   5562 METROPCS, INC. 552   2006-10-02   
972-505 2   6114 LEVEL 3 COMMUNICATIONS, LLC - TX 552   2006-06-26   
972-505 3   6114 LEVEL 3 COMMUNICATIONS, LLC - TX 552   2006-06-26   
972-505 4   7229 MCIMETRO ACCESS TRANSMISSION SERVICES LLC 552      
972-505 5   5562 METROPCS, INC. 552   2006-05-08   
972-505 6   5562 METROPCS, INC. 552   2007-11-12   
972-505 7   7726 SOUTHWESTERN BELL TELEPHONE COMPANY - TX 552   2006-10-26   
972-505 8   5562 METROPCS, INC. 552   2006-04-26   
972-505 9   5562 METROPCS, INC. 552   2007-11-12   
972-510 A FTWOTXEDX1Z  7148 TELEPORT COMMUNICATIONS AMERICA, LLC - TX 552      
972-510 0   7148 TELEPORT COMMUNICATIONS AMERICA, LLC - TX 552      
972-510 1   7148 TELEPORT COMMUNICATIONS AMERICA, LLC - TX 552      
972-510 2   7148 TELEPORT COMMUNICATIONS AMERICA, LLC - TX 552      
972-510 3   5562 METROPCS, INC. 552   2007-07-19   
972-510 4   5562 METROPCS, INC. 552   2007-07-19   
972-510 5   004F BANDWIDTH.COM CLEC, LLC - TX 552   2009-11-20   
972-510 6   7148 TELEPORT COMMUNICATIONS AMERICA, LLC - TX 552      
972-510 7   6534 NEW CINGULAR WIRELESS PCS, LLC - IL 552   2007-04-05   
972-510 8   6534 NEW CINGULAR WIRELESS PCS, LLC - IL 552   2007-04-05   
972-510 9   5562 METROPCS, INC. 552   2007-07-19   
972-513 A IRNGTXXDDS0  4344 FRONTIER SOUTHWEST INC DBA FRONTIER COMM OF TEXAS 552      
972-513 0   4344 FRONTIER SOUTHWEST INC DBA FRONTIER COMM OF TEXAS 552      
972-513 1   4344 FRONTIER SOUTHWEST INC DBA FRONTIER COMM OF TEXAS 552      
972-513 2   4344 FRONTIER SOUTHWEST INC DBA FRONTIER COMM OF TEXAS 552      
972-513 3   5562 METROPCS, INC. 552   2006-08-28   
972-513 4   5562 METROPCS, INC. 552   2009-03-05   
972-513 5   5562 METROPCS, INC. 552   2006-08-28   
972-513 6   5562 METROPCS, INC. 552   2006-08-28   
972-513 7   5562 METROPCS, INC. 552   2006-08-28   
972-513 8   5562 METROPCS, INC. 552   2009-02-20   
972-513 9   4344 FRONTIER SOUTHWEST INC DBA FRONTIER COMM OF TEXAS 552      
972-518 A IRNGTXXGDS0  4344 FRONTIER SOUTHWEST INC DBA FRONTIER COMM OF TEXAS 552      
972-536 A DLLSTXJFDS0  7229 MCIMETRO ACCESS TRANSMISSION SERVICES LLC 552      
972-536 0   7229 MCIMETRO ACCESS TRANSMISSION SERVICES LLC 552      
972-536 1   7229 MCIMETRO ACCESS TRANSMISSION SERVICES LLC 552      
972-536 2   7229 MCIMETRO ACCESS TRANSMISSION SERVICES LLC 552      
972-536 3   5562 METROPCS, INC. 552   2007-03-19   
972-536 4   7229 MCIMETRO ACCESS TRANSMISSION SERVICES LLC 552      
972-536 5   7229 MCIMETRO ACCESS TRANSMISSION SERVICES LLC 552      
972-536 6   7229 MCIMETRO ACCESS TRANSMISSION SERVICES LLC 552      
972-536 7   7229 MCIMETRO ACCESS TRANSMISSION SERVICES LLC 552      
972-536 8   7229 MCIMETRO ACCESS TRANSMISSION SERVICES LLC 552      
972-536 9   7229 MCIMETRO ACCESS TRANSMISSION SERVICES LLC 552      
972-541 A IRNGTXXEDS0  4344 FRONTIER SOUTHWEST INC DBA FRONTIER COMM OF TEXAS 552      
972-550 A IRNGTXXGDS0  4344 FRONTIER SOUTHWEST INC DBA FRONTIER COMM OF TEXAS 552      
972-554 A IRNGTXXCDS0  4344 FRONTIER SOUTHWEST INC DBA FRONTIER COMM OF TEXAS 552      
972-570 A IRNGTXXADS0  4344 FRONTIER SOUTHWEST INC DBA FRONTIER COMM OF TEXAS 552      
972-573 A IRNGTXXBXTY  903C ONVOY, LLC - TX 552      
972-573 0   903C ONVOY, LLC - TX 552   2005-11-20   
972-573 1   903C ONVOY, LLC - TX 552   2005-11-20   
972-573 2   903C ONVOY, LLC - TX 552   2005-11-20   
972-573 3   903C ONVOY, LLC - TX 552   2005-11-20   
972-573 4   903C ONVOY, LLC - TX 552   2005-11-20   
972-573 5   903C ONVOY, LLC - TX 552   2005-11-20   
972-573 6   903C ONVOY, LLC - TX 552   2005-11-20   
972-573 7   903C ONVOY, LLC - TX 552   2005-11-20   
972-573 8   903C ONVOY, LLC - TX 552   2005-11-20   
972-573 9   903C ONVOY, LLC - TX 552   2005-11-20   
972-579 A IRNGTXXCDS0  4344 FRONTIER SOUTHWEST INC DBA FRONTIER COMM OF TEXAS 552      
972-580 A IRNGTXXGDS0  4344 FRONTIER SOUTHWEST INC DBA FRONTIER COMM OF TEXAS 552      
972-582 A IRNGTXXGDS0  4344 FRONTIER SOUTHWEST INC DBA FRONTIER COMM OF TEXAS 552      
972-592 A DLLSTX97DSS  6630 USA MOBILITY WIRELESS, INC. 552      
972-593 A DLLSTX97DSS  6630 USA MOBILITY WIRELESS, INC. 552      
972-594 A IRNGTXXADS0  4344 FRONTIER SOUTHWEST INC DBA FRONTIER COMM OF TEXAS 552      
972-594 0   4344 FRONTIER SOUTHWEST INC DBA FRONTIER COMM OF TEXAS 552      
972-594 1   4344 FRONTIER SOUTHWEST INC DBA FRONTIER COMM OF TEXAS 552      
972-594 2   4344 FRONTIER SOUTHWEST INC DBA FRONTIER COMM OF TEXAS 552      
972-594 3   4344 FRONTIER SOUTHWEST INC DBA FRONTIER COMM OF TEXAS 552      
972-594 4   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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