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NPA-NXX BLOCK Rate Centre Region OCN LATA LIR Eff date Disc date
972-546 6 Dallas TX 6114 LEVEL 3 COMMUNICATIONS, LLC - TX 552      
972-564 8 Forney EMS TX 6114 LEVEL 3 COMMUNICATIONS, LLC - TX 552   2011-06-24   
972-584 0 Dallas TX 6114 LEVEL 3 COMMUNICATIONS, LLC - TX 552   2010-05-01   
972-584 1 Dallas TX 6114 LEVEL 3 COMMUNICATIONS, LLC - TX 552   2010-05-01   
972-584 9 Dallas TX 6114 LEVEL 3 COMMUNICATIONS, LLC - TX 552   2010-06-17   
972-591 0 Dallas TX 6114 LEVEL 3 COMMUNICATIONS, LLC - TX 552   2007-09-07   
972-591 1 Dallas TX 6114 LEVEL 3 COMMUNICATIONS, LLC - TX 552   2007-09-07   
972-591 2 Dallas TX 6114 LEVEL 3 COMMUNICATIONS, LLC - TX 552   2007-09-07   
972-591 3 Dallas TX 6114 LEVEL 3 COMMUNICATIONS, LLC - TX 552   2007-09-07   
972-597 A Italy TX 6114 LEVEL 3 COMMUNICATIONS, LLC - TX 552      
972-597 2 Italy TX 6114 LEVEL 3 COMMUNICATIONS, LLC - TX 552   2013-02-08   
972-597 4 Italy TX 6114 LEVEL 3 COMMUNICATIONS, LLC - TX 552   2015-02-14   
972-600 1 Irving TX 6114 LEVEL 3 COMMUNICATIONS, LLC - TX 552   2008-10-07   
972-607 3 Irving TX 6114 LEVEL 3 COMMUNICATIONS, LLC - TX 552   2005-01-24   
972-607 4 Irving TX 6114 LEVEL 3 COMMUNICATIONS, LLC - TX 552   2005-02-16   
972-607 9 Irving TX 6114 LEVEL 3 COMMUNICATIONS, LLC - TX 552   2005-02-16   
972-627 7 Avalon TX 6114 LEVEL 3 COMMUNICATIONS, LLC - TX 552   2014-12-22   
972-635 3 Royse City TX 6114 LEVEL 3 COMMUNICATIONS, LLC - TX 552   2005-10-09   
972-635 5 Royse City TX 6114 LEVEL 3 COMMUNICATIONS, LLC - TX 552   2004-03-15   
972-635 8 Royse City TX 6114 LEVEL 3 COMMUNICATIONS, LLC - TX 552   2006-04-09   
972-636 1 Royse City EMS TX 6114 LEVEL 3 COMMUNICATIONS, LLC - TX 552   2006-06-24   
972-636 5 Royse City EMS TX 6114 LEVEL 3 COMMUNICATIONS, LLC - TX 552   2006-05-08   
972-636 8 Royse City EMS TX 6114 LEVEL 3 COMMUNICATIONS, LLC - TX 552   2006-05-08   
972-638 8 Dallas TX 6114 LEVEL 3 COMMUNICATIONS, LLC - TX 552   2011-01-15   
972-639 5 Grand Prairie EMS TX 6114 LEVEL 3 COMMUNICATIONS, LLC - TX 552   2006-06-30   
972-645 A Italy TX 6114 LEVEL 3 COMMUNICATIONS, LLC - TX 552      
972-645 1 Italy TX 6114 LEVEL 3 COMMUNICATIONS, LLC - TX 552   2018-03-08   
972-645 8 Italy TX 6114 LEVEL 3 COMMUNICATIONS, LLC - TX 552   2019-12-14   
972-646 2 Bardwell TX 6114 LEVEL 3 COMMUNICATIONS, LLC - TX 552   2008-02-12   
972-646 3 Bardwell TX 6114 LEVEL 3 COMMUNICATIONS, LLC - TX 552   2005-09-10   
972-646 6 Bardwell TX 6114 LEVEL 3 COMMUNICATIONS, LLC - TX 552   2003-06-17   
972-646 7 Bardwell TX 6114 LEVEL 3 COMMUNICATIONS, LLC - TX 552   2008-02-12   
972-646 9 Bardwell TX 6114 LEVEL 3 COMMUNICATIONS, LLC - TX 552   2008-10-07   
972-657 1 Irving TX 6114 LEVEL 3 COMMUNICATIONS, LLC - TX 552      
972-657 2 Irving TX 6114 LEVEL 3 COMMUNICATIONS, LLC - TX 552      
972-657 3 Irving TX 6114 LEVEL 3 COMMUNICATIONS, LLC - TX 552      
972-666 4 Bristol TX 6114 LEVEL 3 COMMUNICATIONS, LLC - TX 552   2006-10-07   
972-666 6 Bristol TX 6114 LEVEL 3 COMMUNICATIONS, LLC - TX 552   2019-07-13   
972-675 7 Plano TX 6114 LEVEL 3 COMMUNICATIONS, LLC - TX 552   2011-01-12   
972-684 5 Dallas TX 6114 LEVEL 3 COMMUNICATIONS, LLC - TX 552   2014-06-11   
972-696 0 Plano TX 6114 LEVEL 3 COMMUNICATIONS, LLC - TX 552   2008-10-24   
972-696 7 Plano TX 6114 LEVEL 3 COMMUNICATIONS, LLC - TX 552   2008-06-06   
972-704 1 Frisco EACS TX 6114 LEVEL 3 COMMUNICATIONS, LLC - TX 552   2004-12-02   
972-737 2 Allen TX 6114 LEVEL 3 COMMUNICATIONS, LLC - TX 552   2015-05-10   
972-746 A Irving TX 6114 LEVEL 3 COMMUNICATIONS, LLC - TX 552      
972-746 2 Irving TX 6114 LEVEL 3 COMMUNICATIONS, LLC - TX 552   2004-06-15   
972-746 4 Irving TX 6114 LEVEL 3 COMMUNICATIONS, LLC - TX 552      
972-755 1 Dallas TX 6114 LEVEL 3 COMMUNICATIONS, LLC - TX 552   2007-09-24   
972-755 3 Dallas TX 6114 LEVEL 3 COMMUNICATIONS, LLC - TX 552   2007-10-25   
972-755 4 Dallas TX 6114 LEVEL 3 COMMUNICATIONS, LLC - TX 552   2004-07-29   

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Last updated: Thu, 05 Feb 2026 23:41:55 UTC

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