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Carrollton, TX

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NPA-NXX BLOCK Switch OCN LATA LIR Eff date Disc date
214-390 A CRTNTXXDDS0  4344 FRONTIER SOUTHWEST INC DBA FRONTIER COMM OF TEXAS 552      
214-390 0 CRTNTXXDDS0  4344 FRONTIER SOUTHWEST INC DBA FRONTIER COMM OF TEXAS 552      
214-390 1 CRTNTXXDDS0  4344 FRONTIER SOUTHWEST INC DBA FRONTIER COMM OF TEXAS 552      
214-390 2 DLLATX37DS6  6114 LEVEL 3 COMMUNICATIONS, LLC - TX 552   2005-02-16   
214-390 3 DLLATX37DS6  6114 LEVEL 3 COMMUNICATIONS, LLC - TX 552   2005-01-05   
214-390 4 DLLATX37DS6  6114 LEVEL 3 COMMUNICATIONS, LLC - TX 552   2003-08-25   
214-390 5 DLLATX37DS6  6114 LEVEL 3 COMMUNICATIONS, LLC - TX 552   2005-01-05   
214-390 6 DLLATX37DS6  6114 LEVEL 3 COMMUNICATIONS, LLC - TX 552   2005-01-05   
214-390 7 DLLATX37DS6  6114 LEVEL 3 COMMUNICATIONS, LLC - TX 552   2005-02-08   
214-390 8 CRTNTXXDDS0  4344 FRONTIER SOUTHWEST INC DBA FRONTIER COMM OF TEXAS 552      
214-390 9 DLLATX37DS6  6114 LEVEL 3 COMMUNICATIONS, LLC - TX 552   2005-02-16   
214-483 A CRTNTXXCDS0  4344 FRONTIER SOUTHWEST INC DBA FRONTIER COMM OF TEXAS 552      
214-483 0 IRNGTXXBXTY  903C ONVOY, LLC - TX 552   2019-02-18   
214-483 1 DLLATX37DS6  6114 LEVEL 3 COMMUNICATIONS, LLC - TX 552   2005-02-16   
214-483 2 DLLSTXREDS0  7726 SOUTHWESTERN BELL TELEPHONE COMPANY - TX 552   2004-06-03   
214-483 3 DLLSTXREDS0  7726 SOUTHWESTERN BELL TELEPHONE COMPANY - TX 552   2004-06-03   
214-483 4 DLLSTXREDS0  7726 SOUTHWESTERN BELL TELEPHONE COMPANY - TX 552   2005-02-14   
214-483 5 DLLSTXREDS0  7726 SOUTHWESTERN BELL TELEPHONE COMPANY - TX 552   2005-04-02   
214-483 6 DLLSTXREDS0  7726 SOUTHWESTERN BELL TELEPHONE COMPANY - TX 552   2005-04-02   
214-483 7 DLLSTXHW6MD  671J U.S. TELEPACIFIC CORP. DBA TPX COMMUNICATIONS 552   2005-08-29   
214-483 8 CRTNTXXCDS0  4344 FRONTIER SOUTHWEST INC DBA FRONTIER COMM OF TEXAS 552      
214-483 9 DLLSTXREDS0  7726 SOUTHWESTERN BELL TELEPHONE COMPANY - TX 552   2005-10-14   
214-731 A CRTNTXXBDS0  4344 FRONTIER SOUTHWEST INC DBA FRONTIER COMM OF TEXAS 552      
214-731 0 CRTNTXXBDS0  4344 FRONTIER SOUTHWEST INC DBA FRONTIER COMM OF TEXAS 552      
214-731 1 CRTNTXXBDS0  4344 FRONTIER SOUTHWEST INC DBA FRONTIER COMM OF TEXAS 552      
214-731 2 CRTNTXXBDS0  4344 FRONTIER SOUTHWEST INC DBA FRONTIER COMM OF TEXAS 552      
214-731 3 DLLSTXJFPS1  7229 MCIMETRO ACCESS TRANSMISSION SERVICES LLC 552   2005-05-27   
214-731 4 DLLATX37DS6  6114 LEVEL 3 COMMUNICATIONS, LLC - TX 552   2005-12-08   
214-731 5 DLLSTXJFPS1  7229 MCIMETRO ACCESS TRANSMISSION SERVICES LLC 552   2005-05-27   
214-731 6   793K TWC IP ENABLED SERVICES, LLC 552   2006-12-06   
214-731 7 DLLATX37DS6  6114 LEVEL 3 COMMUNICATIONS, LLC - TX 552   2005-12-08   
214-731 8 CRTNTXXBDS0  4344 FRONTIER SOUTHWEST INC DBA FRONTIER COMM OF TEXAS 552      
214-731 9 CRTNTXXBDS0  4344 FRONTIER SOUTHWEST INC DBA FRONTIER COMM OF TEXAS 552      
469-208 A DLLATX37DS6  6114 LEVEL 3 COMMUNICATIONS, LLC - TX 552      
469-208 0 DLLSTX97DSS  177F PEERLESS NETWORK OF TEXAS, LLC - TX 552   2013-04-18   
469-208 1 DLLSTX97DSS  177F PEERLESS NETWORK OF TEXAS, LLC - TX 552   2013-04-18   
469-208 2 DLLATX37DS6  6114 LEVEL 3 COMMUNICATIONS, LLC - TX 552   2012-03-12   
469-208 3 DLLATX37DS6  6114 LEVEL 3 COMMUNICATIONS, LLC - TX 552   2012-06-30   
469-208 4 DLLATX37DS6  6114 LEVEL 3 COMMUNICATIONS, LLC - TX 552   2011-11-12   
469-208 5 DLLATX37DS6  6114 LEVEL 3 COMMUNICATIONS, LLC - TX 552   2011-12-02   
469-208 6 DLLATX37DS6  6114 LEVEL 3 COMMUNICATIONS, LLC - TX 552   2011-12-02   
469-208 7 DLLATX37DS6  6114 LEVEL 3 COMMUNICATIONS, LLC - TX 552   2013-01-12   
469-208 8 DLLATX37DS6  6114 LEVEL 3 COMMUNICATIONS, LLC - TX 552   2013-05-05   
469-208 9 DLLSTX37XWZ  004F BANDWIDTH.COM CLEC, LLC - TX 552   2013-07-28   
469-289 A   793K TWC IP ENABLED SERVICES, LLC 552      
469-289 0   793K TWC IP ENABLED SERVICES, LLC 552   2014-11-03   
469-289 1 IRNGTXXBXTY  903C ONVOY, LLC - TX 552   2014-11-11   
469-289 2 IRNGTXXBXTY  903C ONVOY, LLC - TX 552   2014-11-11   
469-289 3   793K TWC IP ENABLED SERVICES, LLC 552   2014-12-01   
469-289 4 DLLATX37DS6  6114 LEVEL 3 COMMUNICATIONS, LLC - TX 552   2014-12-28   
469-289 5 DLLATX37DS6  6114 LEVEL 3 COMMUNICATIONS, LLC - TX 552   2014-12-28   
469-289 6   793K TWC IP ENABLED SERVICES, LLC 552   2015-02-22   
469-289 7 FRBRTXBLGT9  6534 NEW CINGULAR WIRELESS PCS, LLC - IL 552   2015-03-29   
469-289 8 FRBRTXBLGT9  6534 NEW CINGULAR WIRELESS PCS, LLC - IL 552   2015-03-29   
469-289 9   515J IP HORIZON LLC 552   2015-03-23   
469-346 A DLLFTXFQDS1  7516 LEVEL 3 OF TELECOM OF TEXAS, LLC - TX 552      
469-346 0 FRBRTXBLGT9  6534 NEW CINGULAR WIRELESS PCS, LLC - IL 552   2015-09-24   
469-346 1 FRBRTXBLGT9  6534 NEW CINGULAR WIRELESS PCS, LLC - IL 552   2015-09-24   
469-346 2 DLLFTXFQDS1  7516 LEVEL 3 OF TELECOM OF TEXAS, LLC - TX 552   2015-08-27   
469-346 3 DLLSTXJFDS0  7229 MCIMETRO ACCESS TRANSMISSION SERVICES LLC 552   2015-08-28   
469-346 4 DLLATX37DS6  6114 LEVEL 3 COMMUNICATIONS, LLC - TX 552   2015-09-13   
469-346 5 FRBRTXBLGT9  6534 NEW CINGULAR WIRELESS PCS, LLC - IL 552   2015-09-24   
469-346 6 FRBRTXBLGT9  6534 NEW CINGULAR WIRELESS PCS, LLC - IL 552   2015-12-17   
469-346 7 DLLSTXHM0MD  829J PAETEC ITEL, LLC 552   2015-12-10   
469-346 8 FRBRTXBLGT9  6534 NEW CINGULAR WIRELESS PCS, LLC - IL 552   2015-12-17   
469-346 9 FRBRTXBLGT9  6534 NEW CINGULAR WIRELESS PCS, LLC - IL 552   2015-12-17   
469-381 A FRBRTXBLGT9  6534 NEW CINGULAR WIRELESS PCS, LLC - IL 552      
469-381 0 FRBRTXBLGT9  6534 NEW CINGULAR WIRELESS PCS, LLC - IL 552   2016-11-13   
469-381 1 IRNGTXXBXTY  903C ONVOY, LLC - TX 552   2017-03-13   
469-381 2 FRBRTXBLGT9  6534 NEW CINGULAR WIRELESS PCS, LLC - IL 552   2017-09-10   
469-381 3 DLLSTXJFDS0  7229 MCIMETRO ACCESS TRANSMISSION SERVICES LLC 552   2017-04-03   
469-381 4 FRBRTXBLGT9  6534 NEW CINGULAR WIRELESS PCS, LLC - IL 552   2017-09-10   
469-381 5 FRBRTXBLGT9  6534 NEW CINGULAR WIRELESS PCS, LLC - IL 552   2017-04-15   
469-381 6 FRBRTXBLGT9  6534 NEW CINGULAR WIRELESS PCS, LLC - IL 552   2017-04-15   
469-381 7   793K TWC IP ENABLED SERVICES, LLC 552   2017-05-04   
469-381 8 DLLSTX97X1X  073H TELNYX LLC 552   2017-03-22   
469-381 9 FRBRTXBLGT9  6534 NEW CINGULAR WIRELESS PCS, LLC - IL 552   2016-11-12   
469-491 A FRBRTXBLGT9  6534 NEW CINGULAR WIRELESS PCS, LLC - IL 552      
469-491 0 FRBRTXBLGT9  6534 NEW CINGULAR WIRELESS PCS, LLC - IL 552   2019-02-02   
469-491 1 DLLSTX97DSS  177F PEERLESS NETWORK OF TEXAS, LLC - TX 552   2018-11-17   
469-491 2 DLLSTXJFPS1  7229 MCIMETRO ACCESS TRANSMISSION SERVICES LLC 552   2018-11-23   
469-491 3 DLLSTXJFPS1  7229 MCIMETRO ACCESS TRANSMISSION SERVICES LLC 552   2018-08-26   
469-491 4 DLLSTX37XWZ  004F BANDWIDTH.COM CLEC, LLC - TX 552   2019-04-22   
469-491 5 DLLSTXJFPS1  7229 MCIMETRO ACCESS TRANSMISSION SERVICES LLC 552   2018-08-26   
469-491 6 FRBRTXBLGT9  6534 NEW CINGULAR WIRELESS PCS, LLC - IL 552   2019-02-02   
469-491 7 FRBRTXBLGT9  6534 NEW CINGULAR WIRELESS PCS, LLC - IL 552   2018-10-28   
469-491 8 FRBRTXBLGT9  6534 NEW CINGULAR WIRELESS PCS, LLC - IL 552   2018-10-28   
469-491 9 FRBRTXBLGT9  6534 NEW CINGULAR WIRELESS PCS, LLC - IL 552   2018-08-25   
469-521 A DLLSTXJFDS0  7229 MCIMETRO ACCESS TRANSMISSION SERVICES LLC 552      
469-521 0 DLLSTXJFDS0  7229 MCIMETRO ACCESS TRANSMISSION SERVICES LLC 552      
469-521 1 IRNGTXXBXTY  903C ONVOY, LLC - TX 552   2009-05-12   
469-521 2 DLLSTXJFPS1  7229 MCIMETRO ACCESS TRANSMISSION SERVICES LLC 552   2005-05-27   
469-521 3 FTWOTXEDX1Z  7148 TELEPORT COMMUNICATIONS AMERICA, LLC - TX 552   2003-05-19   
469-521 4 FTWOTXEDX1Z  7148 TELEPORT COMMUNICATIONS AMERICA, LLC - TX 552      
469-521 5 FTWOTXEDX1Z  7148 TELEPORT COMMUNICATIONS AMERICA, LLC - TX 552   2003-05-19   
469-521 6 FTWOTXEDX1Z  7148 TELEPORT COMMUNICATIONS AMERICA, LLC - TX 552   2003-05-19   
469-521 7 DLLSTXJFPS1  7229 MCIMETRO ACCESS TRANSMISSION SERVICES LLC 552   2006-02-26   
469-521 8 DLLSTXJFPS1  7229 MCIMETRO ACCESS TRANSMISSION SERVICES LLC 552   2006-02-26   
469-521 9 DLLSTX37XWZ  004F BANDWIDTH.COM CLEC, LLC - TX 552   2011-07-03   
469-546 A DLLATX37DS6  6114 LEVEL 3 COMMUNICATIONS, LLC - TX 552      

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Last updated: Thu, 16 Oct 2025 03:04:18 UTC

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