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Dallas, TX

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NPA-NXX BLOCK Switch OCN LATA LIR Eff date Disc date
469-904 7   7148 TELEPORT COMMUNICATIONS AMERICA, LLC - TX 552   2014-09-03   
469-904 8   516C AT&T CORP. 552   2014-08-22   
469-904 9   903C ONVOY, LLC - TX 552   2014-08-25   
469-906 A DLLSTXALDS4  903C ONVOY, LLC - TX 552      
469-906 0   903C ONVOY, LLC - TX 552   2015-05-25   
469-906 1   793K TWC IP ENABLED SERVICES, LLC 552   2015-06-12   
469-906 2   6114 LEVEL 3 COMMUNICATIONS, LLC - TX 552   2015-05-30   
469-906 3   793K TWC IP ENABLED SERVICES, LLC 552   2015-06-12   
469-906 4   793K TWC IP ENABLED SERVICES, LLC 552   2015-06-12   
469-906 5   793K TWC IP ENABLED SERVICES, LLC 552   2015-06-24   
469-906 6   793K TWC IP ENABLED SERVICES, LLC 552   2015-05-28   
469-906 7   793K TWC IP ENABLED SERVICES, LLC 552   2015-05-28   
469-906 8   903C ONVOY, LLC - TX 552   2015-05-25   
469-906 9   903C ONVOY, LLC - TX 552   2015-05-25   
469-913 A DLLATX37DS6  6114 LEVEL 3 COMMUNICATIONS, LLC - TX 552      
469-913 0   6114 LEVEL 3 COMMUNICATIONS, LLC - TX 552   2015-09-11   
469-913 1   6114 LEVEL 3 COMMUNICATIONS, LLC - TX 552   2015-09-11   
469-913 2   6114 LEVEL 3 COMMUNICATIONS, LLC - TX 552   2015-09-10   
469-913 3   6114 LEVEL 3 COMMUNICATIONS, LLC - TX 552   2015-09-10   
469-913 4   6114 LEVEL 3 COMMUNICATIONS, LLC - TX 552   2015-09-10   
469-913 5   6114 LEVEL 3 COMMUNICATIONS, LLC - TX 552   2015-09-11   
469-913 6   6114 LEVEL 3 COMMUNICATIONS, LLC - TX 552   2015-09-11   
469-913 7   793K TWC IP ENABLED SERVICES, LLC 552   2015-09-14   
469-913 8   793K TWC IP ENABLED SERVICES, LLC 552   2015-09-14   
469-913 9   793K TWC IP ENABLED SERVICES, LLC 552   2015-09-14   
469-914 A RCSNTXHVBMD  516C AT&T CORP. 552      
469-914 0   793K TWC IP ENABLED SERVICES, LLC 552   2015-03-20   
469-914 1   793K TWC IP ENABLED SERVICES, LLC 552   2015-03-20   
469-914 2   793K TWC IP ENABLED SERVICES, LLC 552   2015-04-08   
469-914 3   793K TWC IP ENABLED SERVICES, LLC 552   2015-04-08   
469-914 4   6114 LEVEL 3 COMMUNICATIONS, LLC - TX 552   2015-03-30   
469-914 5   516C AT&T CORP. 552   2015-02-25   
469-914 6   516C AT&T CORP. 552   2015-02-25   
469-914 7   6114 LEVEL 3 COMMUNICATIONS, LLC - TX 552   2015-03-30   
469-914 8   6114 LEVEL 3 COMMUNICATIONS, LLC - TX 552   2015-03-30   
469-914 9   903C ONVOY, LLC - TX 552   2015-12-15   
469-916 A DLLSTXALDS4  903C ONVOY, LLC - TX 552      
469-917 A RCSNTXHVBMD  516C AT&T CORP. 552      
469-917 0   6114 LEVEL 3 COMMUNICATIONS, LLC - TX 552   2015-09-06   
469-917 1   6114 LEVEL 3 COMMUNICATIONS, LLC - TX 552   2015-09-06   
469-917 2   7148 TELEPORT COMMUNICATIONS AMERICA, LLC - TX 552   2016-05-02   
469-917 3   793K TWC IP ENABLED SERVICES, LLC 552   2016-04-22   
469-917 4   671J U.S. TELEPACIFIC CORP. DBA TPX COMMUNICATIONS 552   2015-09-04   
469-917 5   6114 LEVEL 3 COMMUNICATIONS, LLC - TX 552   2016-04-05   
469-917 6   6114 LEVEL 3 COMMUNICATIONS, LLC - TX 552   2016-04-05   
469-917 7   516C AT&T CORP. 552   2015-09-02   
469-917 8   516C AT&T CORP. 552   2015-09-03   
469-917 9   793K TWC IP ENABLED SERVICES, LLC 552   2015-09-21   
469-930 A DLLSTX97KMD  156J RCLEC, INC. 552      
469-930 0   793K TWC IP ENABLED SERVICES, LLC 552   2014-06-28   
469-930 1   793K TWC IP ENABLED SERVICES, LLC 552   2014-06-28   
469-930 2   903C ONVOY, LLC - TX 552   2014-06-20   
469-930 3   903C ONVOY, LLC - TX 552   2014-06-20   
469-930 4   6114 LEVEL 3 COMMUNICATIONS, LLC - TX 552   2014-04-07   
469-930 5   793K TWC IP ENABLED SERVICES, LLC 552   2014-08-25   
469-930 6   793K TWC IP ENABLED SERVICES, LLC 552   2014-08-25   
469-930 7   793K TWC IP ENABLED SERVICES, LLC 552   2014-08-25   
469-930 8   516C AT&T CORP. 552   2014-08-22   
469-930 9   516C AT&T CORP. 552   2014-08-22   
469-935 A   903C ONVOY, LLC - TX 552      
469-935 0   903C ONVOY, LLC - TX 552   2021-07-18   
469-935 1   6529 T-MOBILE USA, INC. 552   2025-12-19   
469-935 2   903C ONVOY, LLC - TX 552   2021-07-18   
469-935 3   903C ONVOY, LLC - TX 552   2021-07-18   
469-935 4   903C ONVOY, LLC - TX 552   2021-07-18   
469-935 5   516J TON80 COMMUNICATIONS, LLC 552   2021-06-21   
469-935 6   903C ONVOY, LLC - TX 552   2021-07-18   
469-935 7   903C ONVOY, LLC - TX 552   2021-07-18   
469-935 8   903C ONVOY, LLC - TX 552   2021-07-18   
469-935 9   177F PEERLESS NETWORK OF TEXAS, LLC - TX 552   2021-06-20   
469-941 A DLLSTXHUDS0  9533 SOUTHWESTERN BELL 552      
469-941 0   6114 LEVEL 3 COMMUNICATIONS, LLC - TX 552   2008-07-03   
469-941 1   7516 LEVEL 3 OF TELECOM OF TEXAS, LLC - TX 552   2007-12-20   
469-941 2   903C ONVOY, LLC - TX 552   2009-10-05   
469-941 3   9533 SOUTHWESTERN BELL 552      
469-941 4   793K TWC IP ENABLED SERVICES, LLC 552   2011-02-28   
469-941 5   6114 LEVEL 3 COMMUNICATIONS, LLC - TX 552   2008-05-13   
469-941 6   6114 LEVEL 3 COMMUNICATIONS, LLC - TX 552   2008-05-13   
469-941 7   7229 MCIMETRO ACCESS TRANSMISSION SERVICES LLC 552   2008-11-10   
469-941 8   7229 MCIMETRO ACCESS TRANSMISSION SERVICES LLC 552   2008-11-10   
469-941 9   903C ONVOY, LLC - TX 552   2009-10-05   
469-942 A DLLSTXALBMD  495J STRATUS NETWORKS 552      
469-942 0   903C ONVOY, LLC - TX 552   2021-07-18   
469-942 1   495J STRATUS NETWORKS 552   2021-05-16   
469-942 2   903C ONVOY, LLC - TX 552   2021-07-18   
469-942 3   903C ONVOY, LLC - TX 552   2021-07-18   
469-942 4   903C ONVOY, LLC - TX 552   2021-07-18   
469-942 5   903C ONVOY, LLC - TX 552   2021-07-18   
469-942 6   903C ONVOY, LLC - TX 552   2021-07-18   
469-942 7   903C ONVOY, LLC - TX 552   2021-07-18   
469-942 8   903C ONVOY, LLC - TX 552   2021-07-18   
469-942 9   903C ONVOY, LLC - TX 552   2021-07-18   
469-944 A DLLSTX97DSU  365J RIGHT CALL LLC 552      
469-949 A DLLSTXALDS4  903C ONVOY, LLC - TX 552      
469-949 0   508J CENTURYLINK COMMUNICATIONS, LLC 552   2020-06-30   
469-949 1   903C ONVOY, LLC - TX 552   2020-06-29   
469-949 2   903C ONVOY, LLC - TX 552   2020-06-29   
469-949 3   903C ONVOY, LLC - TX 552   2020-06-29   
469-949 4   903C ONVOY, LLC - TX 552   2020-06-29   
469-949 5   903C ONVOY, LLC - TX 552   2020-06-29   

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

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