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Dallas, TX

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NPA-NXX BLOCK Switch OCN LATA LIR Eff date Disc date
469-857 6   793K TWC IP ENABLED SERVICES, LLC 552   2015-08-20   
469-857 7   7516 LEVEL 3 OF TELECOM OF TEXAS, LLC - TX 552   2015-12-24   
469-857 8   177F PEERLESS NETWORK OF TEXAS, LLC - TX 552   2015-10-24   
469-857 9   5562 METROPCS, INC. 552   2016-03-17   
469-862 A DLLSTXEMDS0  9533 SOUTHWESTERN BELL 552      
469-862 0   177F PEERLESS NETWORK OF TEXAS, LLC - TX 552   2016-11-07   
469-862 1   9533 SOUTHWESTERN BELL 552   2016-10-08   
469-862 2   9533 SOUTHWESTERN BELL 552   2016-10-08   
469-862 3   793K TWC IP ENABLED SERVICES, LLC 552   2016-10-21   
469-862 4   793K TWC IP ENABLED SERVICES, LLC 552   2016-10-21   
469-862 5   829J PAETEC ITEL, LLC 552   2016-10-11   
469-862 6   5562 METROPCS, INC. 552   2017-04-07   
469-862 7   5562 METROPCS, INC. 552   2017-07-25   
469-862 8   177F PEERLESS NETWORK OF TEXAS, LLC - TX 552   2016-11-07   
469-862 9   177F PEERLESS NETWORK OF TEXAS, LLC - TX 552   2016-11-07   
469-868 A IRNGTX277MD  951F AIRUS, INC. - TX 552      
469-868 0   6114 LEVEL 3 COMMUNICATIONS, LLC - TX 552   2017-11-06   
469-868 1   951F AIRUS, INC. - TX 552   2016-12-19   
469-868 2   6114 LEVEL 3 COMMUNICATIONS, LLC - TX 552   2017-11-06   
469-868 3   7229 MCIMETRO ACCESS TRANSMISSION SERVICES LLC 552   2017-04-03   
469-868 4   6114 LEVEL 3 COMMUNICATIONS, LLC - TX 552   2017-11-06   
469-868 5   508J CENTURYLINK COMMUNICATIONS, LLC 552   2017-07-23   
469-868 6   792K CHARTER IP ENABLED SERVICES, LLC 552   2017-04-02   
469-868 7   508J CENTURYLINK COMMUNICATIONS, LLC 552   2017-07-23   
469-868 8   6114 LEVEL 3 COMMUNICATIONS, LLC - TX 552   2017-11-06   
469-868 9   6114 LEVEL 3 COMMUNICATIONS, LLC - TX 552   2017-11-06   
469-872 A   793K TWC IP ENABLED SERVICES, LLC 552      
469-872 0   793K TWC IP ENABLED SERVICES, LLC 552   2015-10-10   
469-872 1   793K TWC IP ENABLED SERVICES, LLC 552   2015-10-10   
469-872 2   793K TWC IP ENABLED SERVICES, LLC 552   2015-10-10   
469-872 3   793K TWC IP ENABLED SERVICES, LLC 552   2015-10-22   
469-872 4   829J PAETEC ITEL, LLC 552   2015-10-12   
469-872 5   829J PAETEC ITEL, LLC 552   2015-10-12   
469-872 6   793K TWC IP ENABLED SERVICES, LLC 552   2015-10-22   
469-872 7   829J PAETEC ITEL, LLC 552   2015-10-11   
469-872 8   829J PAETEC ITEL, LLC 552   2015-10-11   
469-872 9   793K TWC IP ENABLED SERVICES, LLC 552   2015-10-22   
469-886 A DLLSTXJFPS1  7229 MCIMETRO ACCESS TRANSMISSION SERVICES LLC 552      
469-886 0   177F PEERLESS NETWORK OF TEXAS, LLC - TX 552   2016-10-10   
469-886 1   903C ONVOY, LLC - TX 552   2023-06-23   
469-886 2   9533 SOUTHWESTERN BELL 552   2016-09-30   
469-886 3   5562 METROPCS, INC. 552   2017-10-12   
469-886 4   7229 MCIMETRO ACCESS TRANSMISSION SERVICES LLC 552   2016-09-01   
469-886 5   516C AT&T CORP. 552   2016-10-04   
469-886 6   508J CENTURYLINK COMMUNICATIONS, LLC 552   2016-10-08   
469-886 7   516C AT&T CORP. 552   2016-10-04   
469-886 8   793K TWC IP ENABLED SERVICES, LLC 552   2016-09-02   
469-886 9   793K TWC IP ENABLED SERVICES, LLC 552   2016-09-02   
469-893 A DLLSTXJFDS0  7229 MCIMETRO ACCESS TRANSMISSION SERVICES LLC 552      
469-893 0   004F BANDWIDTH.COM CLEC, LLC - TX 552   2009-03-07   
469-893 1   903C ONVOY, LLC - TX 552   2007-12-17   
469-893 2   7229 MCIMETRO ACCESS TRANSMISSION SERVICES LLC 552      
469-893 3   7229 MCIMETRO ACCESS TRANSMISSION SERVICES LLC 552      
469-893 4   7229 MCIMETRO ACCESS TRANSMISSION SERVICES LLC 552      
469-893 5   616J LEAP TELECOM, LLC 552   2025-06-14   
469-893 6   7229 MCIMETRO ACCESS TRANSMISSION SERVICES LLC 552      
469-893 7   7229 MCIMETRO ACCESS TRANSMISSION SERVICES LLC 552      
469-893 8   7229 MCIMETRO ACCESS TRANSMISSION SERVICES LLC 552      
469-893 9   903C ONVOY, LLC - TX 552   2011-04-26   
469-895 A DLLRTXVM0MD  506J TWILIO INTERNATIONAL, INC. 552      
469-895 0   5562 METROPCS, INC. 552   2022-01-21   
469-895 1   624H ONVOY SPECTRUM, LLC 552   2021-02-24   
469-895 2   903C ONVOY, LLC - TX 552   2021-07-18   
469-895 3   903C ONVOY, LLC - TX 552   2020-11-09   
469-895 4   903C ONVOY, LLC - TX 552   2020-11-09   
469-895 5   903C ONVOY, LLC - TX 552   2020-11-09   
469-895 6   903C ONVOY, LLC - TX 552   2020-11-09   
469-895 7   903C ONVOY, LLC - TX 552   2020-11-09   
469-895 8   506J TWILIO INTERNATIONAL, INC. 552   2020-10-10   
469-895 9   903C ONVOY, LLC - TX 552   2021-07-18   
469-899 A DLLSTXALDS4  903C ONVOY, LLC - TX 552      
469-899 0   903C ONVOY, LLC - TX 552   2015-05-11   
469-899 1   903C ONVOY, LLC - TX 552   2015-05-11   
469-899 2   903C ONVOY, LLC - TX 552   2015-05-11   
469-899 3   6114 LEVEL 3 COMMUNICATIONS, LLC - TX 552   2015-05-13   
469-899 4   6114 LEVEL 3 COMMUNICATIONS, LLC - TX 552   2015-05-13   
469-899 5   6114 LEVEL 3 COMMUNICATIONS, LLC - TX 552   2015-05-13   
469-899 6   516C AT&T CORP. 552   2015-05-14   
469-899 7   516C AT&T CORP. 552   2015-05-14   
469-899 8   903C ONVOY, LLC - TX 552   2015-05-13   
469-899 9   903C ONVOY, LLC - TX 552   2015-05-13   
469-902 A DLLSTXAL0MD  515J IP HORIZON LLC 552      
469-902 0   903C ONVOY, LLC - TX 552   2021-03-29   
469-902 1   515J IP HORIZON LLC 552   2020-11-19   
469-902 2   903C ONVOY, LLC - TX 552   2021-03-29   
469-902 3   903C ONVOY, LLC - TX 552   2021-03-29   
469-902 4   903C ONVOY, LLC - TX 552   2021-03-29   
469-902 5   903C ONVOY, LLC - TX 552   2021-03-29   
469-902 6   903C ONVOY, LLC - TX 552   2021-03-29   
469-902 7   903C ONVOY, LLC - TX 552   2021-03-29   
469-902 8   903C ONVOY, LLC - TX 552   2021-03-29   
469-902 9   903C ONVOY, LLC - TX 552   2021-03-29   
469-904 A DLLSTXJFDS0  7229 MCIMETRO ACCESS TRANSMISSION SERVICES LLC 552      
469-904 0   903C ONVOY, LLC - TX 552   2014-08-25   
469-904 1   004F BANDWIDTH.COM CLEC, LLC - TX 552   2014-10-18   
469-904 2   793K TWC IP ENABLED SERVICES, LLC 552   2015-04-22   
469-904 3   7229 MCIMETRO ACCESS TRANSMISSION SERVICES LLC 552   2014-07-12   
469-904 4   7229 MCIMETRO ACCESS TRANSMISSION SERVICES LLC 552   2014-07-12   
469-904 5   793K TWC IP ENABLED SERVICES, LLC 552   2015-04-22   
469-904 6   6114 LEVEL 3 COMMUNICATIONS, LLC - TX 552   2014-09-01   

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

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