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Fort Worth, TX

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NPA-NXX BLOCK Switch OCN LATA LIR Eff date Disc date
817-885 8 FTWOTXEDDS5  9533 SOUTHWESTERN BELL 552      
817-885 9 DLLTTXID1MD  5562 METROPCS, INC. 552   2008-03-09   
817-886 A DLLATX37DS6  6114 LEVEL 3 COMMUNICATIONS, LLC - TX 552      
817-886 0 DLLATX37DS6  6114 LEVEL 3 COMMUNICATIONS, LLC - TX 552      
817-886 1 FTWOTXEDDS5  9533 SOUTHWESTERN BELL 552      
817-886 2 DLLATX37DS6  6114 LEVEL 3 COMMUNICATIONS, LLC - TX 552      
817-886 3 DLLATX37DS6  6114 LEVEL 3 COMMUNICATIONS, LLC - TX 552      
817-886 4 DLLATX37DS6  6114 LEVEL 3 COMMUNICATIONS, LLC - TX 552      
817-886 5 DLLATX37DS6  6114 LEVEL 3 COMMUNICATIONS, LLC - TX 552      
817-886 6 DLLATX37DS6  6114 LEVEL 3 COMMUNICATIONS, LLC - TX 552      
817-886 7 DLLATX37DS6  6114 LEVEL 3 COMMUNICATIONS, LLC - TX 552      
817-886 8 DLLATX37DS6  6114 LEVEL 3 COMMUNICATIONS, LLC - TX 552      
817-886 9 DLLATX37DS6  6114 LEVEL 3 COMMUNICATIONS, LLC - TX 552      
817-887 A DLLSTXJFPS1  7229 MCIMETRO ACCESS TRANSMISSION SERVICES LLC 552      
817-887 0 DLLSTXJFPS1  7229 MCIMETRO ACCESS TRANSMISSION SERVICES LLC 552      
817-887 1 DLLSTXJFPS1  7229 MCIMETRO ACCESS TRANSMISSION SERVICES LLC 552      
817-887 2 DLLSTXJFPS1  7229 MCIMETRO ACCESS TRANSMISSION SERVICES LLC 552      
817-887 3 DLLSTXJFPS1  7229 MCIMETRO ACCESS TRANSMISSION SERVICES LLC 552      
817-887 4 DLLSTXJFPS1  7229 MCIMETRO ACCESS TRANSMISSION SERVICES LLC 552      
817-887 5 DLLSTXJFPS1  7229 MCIMETRO ACCESS TRANSMISSION SERVICES LLC 552      
817-887 6 DLLSTXJFPS1  7229 MCIMETRO ACCESS TRANSMISSION SERVICES LLC 552   2005-09-22   
817-887 7 DLLSTXALDS4  903C ONVOY, LLC - TX 552   2025-05-05   
817-887 8 DLLSTXJFPS1  7229 MCIMETRO ACCESS TRANSMISSION SERVICES LLC 552   2004-09-25   
817-887 9 FTWPTXZP2MD  792K CHARTER IP ENABLED SERVICES, LLC 552   2013-06-03   
817-900 A DLLATX37DS6  6114 LEVEL 3 COMMUNICATIONS, LLC - TX 552      
817-900 0 DLLATX37DS6  6114 LEVEL 3 COMMUNICATIONS, LLC - TX 552   2009-11-16   
817-900 1 DLLSTXTLDS8  7148 TELEPORT COMMUNICATIONS AMERICA, LLC - TX 552      
817-900 2 DLLSTX37XWZ  004F BANDWIDTH.COM CLEC, LLC - TX 552   2013-03-07   
817-900 3 DLLSTX37XWZ  004F BANDWIDTH.COM CLEC, LLC - TX 552   2013-03-07   
817-900 4 FTWOTXEDDS0  9533 SOUTHWESTERN BELL 552      
817-900 5 DLLSTXHM0MD  829J PAETEC ITEL, LLC 552   2010-09-20   
817-900 6 DLLSTX37XWZ  004F BANDWIDTH.COM CLEC, LLC - TX 552   2013-03-07   
817-900 7 DLLSTXJFPS1  7229 MCIMETRO ACCESS TRANSMISSION SERVICES LLC 552   2004-09-25   
817-900 8 DLLATX37DS6  6114 LEVEL 3 COMMUNICATIONS, LLC - TX 552   2008-12-10   
817-900 9 DLLATX37DS6  6114 LEVEL 3 COMMUNICATIONS, LLC - TX 552   2012-03-12   
817-902 A DLLTTXID1MD  5562 METROPCS, INC. 552      
817-902 0 DLLTTXID1MD  5562 METROPCS, INC. 552   2006-06-02   
817-902 1 DLLTTXID1MD  5562 METROPCS, INC. 552   2006-06-02   
817-902 2 DLLTTXID1MD  5562 METROPCS, INC. 552   2006-09-15   
817-902 3 DLLTTXID1MD  5562 METROPCS, INC. 552   2006-09-15   
817-902 4 DLLTTXID1MD  5562 METROPCS, INC. 552   2006-09-15   
817-902 5 DLLTTXID1MD  5562 METROPCS, INC. 552   2006-09-15   
817-902 6 DLLTTXID1MD  5562 METROPCS, INC. 552   2006-09-15   
817-902 7 DLLTTXID1MD  5562 METROPCS, INC. 552   2006-09-15   
817-902 8 DLLTTXID1MD  5562 METROPCS, INC. 552   2006-09-15   
817-902 9 DLLTTXID1MD  5562 METROPCS, INC. 552   2006-09-15   
817-916 A DLLSTXJFDS0  7229 MCIMETRO ACCESS TRANSMISSION SERVICES LLC 552      
817-916 0 DLLSTX37XWZ  004F BANDWIDTH.COM CLEC, LLC - TX 552   2013-03-07   
817-916 1 DLLSTXJFDS0  7229 MCIMETRO ACCESS TRANSMISSION SERVICES LLC 552      
817-916 2 DLLSTXJFDS0  7229 MCIMETRO ACCESS TRANSMISSION SERVICES LLC 552      
817-916 3 DLLSTXJFDS0  7229 MCIMETRO ACCESS TRANSMISSION SERVICES LLC 552      
817-916 4 DLLSTXALDS4  903C ONVOY, LLC - TX 552   2008-07-05   
817-916 5 DLLSTXALDS4  903C ONVOY, LLC - TX 552   2008-07-05   
817-916 6 FTWOTXPEDS0  9533 SOUTHWESTERN BELL 552   2009-07-01   
817-916 7 DLLSTXJFDS0  7229 MCIMETRO ACCESS TRANSMISSION SERVICES LLC 552   2009-04-25   
817-916 8 DLLSTX97DSS  177F PEERLESS NETWORK OF TEXAS, LLC - TX 552   2011-03-12   
817-916 9 DLLSTXJFDS0  7229 MCIMETRO ACCESS TRANSMISSION SERVICES LLC 552      
817-920 A FTWOTXWARPA  9533 SOUTHWESTERN BELL 552      
817-920 0 FTWOTXWARPA  9533 SOUTHWESTERN BELL 552      
817-920 1 FTWOTXWARPA  9533 SOUTHWESTERN BELL 552      
817-920 2 FTWOTXEDX1Z  7148 TELEPORT COMMUNICATIONS AMERICA, LLC - TX 552   2019-02-21   
817-920 3 FTWOTXEDX1Z  7148 TELEPORT COMMUNICATIONS AMERICA, LLC - TX 552   2019-02-21   
817-920 4 FTWOTXEDX1Z  7148 TELEPORT COMMUNICATIONS AMERICA, LLC - TX 552   2019-02-21   
817-920 5 FTWOTXWARPA  9533 SOUTHWESTERN BELL 552      
817-920 6 FTWOTXWARPA  9533 SOUTHWESTERN BELL 552      
817-920 7 FTWOTXWARPA  9533 SOUTHWESTERN BELL 552      
817-920 8   515J IP HORIZON LLC 552   2018-12-10   
817-920 9 FTWOTXWARPA  9533 SOUTHWESTERN BELL 552      
817-921 A FTWOTXWARPA  9533 SOUTHWESTERN BELL 552      
817-922 A FTWOTXWARPA  9533 SOUTHWESTERN BELL 552      
817-923 A FTWOTXWARPA  9533 SOUTHWESTERN BELL 552      
817-924 A FTWOTXWARPA  9533 SOUTHWESTERN BELL 552      
817-926 A FTWOTXWARPA  9533 SOUTHWESTERN BELL 552      
817-927 A FTWOTXWARPA  9533 SOUTHWESTERN BELL 552      
817-928 A DLLATX37DS6  6114 LEVEL 3 COMMUNICATIONS, LLC - TX 552      
817-928 0 DLLSTXALDS4  903C ONVOY, LLC - TX 552   2024-06-22   
817-928 1 DLLSTXJFPS1  7229 MCIMETRO ACCESS TRANSMISSION SERVICES LLC 552   2008-10-29   
817-928 2 FTWOTXCEDS0  9533 SOUTHWESTERN BELL 552   2008-11-06   
817-928 3 DLLATX37DS6  6114 LEVEL 3 COMMUNICATIONS, LLC - TX 552      
817-928 4 DLLATX37DS6  6114 LEVEL 3 COMMUNICATIONS, LLC - TX 552      
817-928 5 DLLATX37DS6  6114 LEVEL 3 COMMUNICATIONS, LLC - TX 552      
817-928 6 FTWOTXCEDS0  9533 SOUTHWESTERN BELL 552   2008-11-06   
817-928 7 FTWOTXCEDS0  9533 SOUTHWESTERN BELL 552   2008-11-06   
817-928 8 FTWOTXCEDS0  9533 SOUTHWESTERN BELL 552   2008-11-06   
817-928 9 DLLATX37DS6  6114 LEVEL 3 COMMUNICATIONS, LLC - TX 552      
817-935 A FTWOTXWSDS0  9533 SOUTHWESTERN BELL 552      
817-935 0 DLLSTX37XWZ  004F BANDWIDTH.COM CLEC, LLC - TX 552   2013-03-07   
817-935 1 FTWOTXWSDS0  9533 SOUTHWESTERN BELL 552      
817-935 2 FTWOTXWSDS0  9533 SOUTHWESTERN BELL 552      
817-935 3 FTWOTXWSDS0  9533 SOUTHWESTERN BELL 552      
817-935 4 FTWOTXWSDS0  9533 SOUTHWESTERN BELL 552      
817-935 5 FTWOTXWSDS0  9533 SOUTHWESTERN BELL 552      
817-935 6 FTWOTXWSDS0  9533 SOUTHWESTERN BELL 552      
817-935 7 FTWOTXWSDS0  9533 SOUTHWESTERN BELL 552      
817-935 8 DLLSTX37XWZ  004F BANDWIDTH.COM CLEC, LLC - TX 552   2013-03-07   
817-935 9 DLLSTXALDS4  903C ONVOY, LLC - TX 552   2012-12-14   
817-945 A DLLSTXALDS4  903C ONVOY, LLC - TX 552      
817-945 0 KLLRTX02DS2  4009 MILLENNIUM TELCOM, LLC DBA ONESOURCE COMM. - TX 552   2006-03-10   
817-945 1 FTWPTXZP2MD  792K CHARTER IP ENABLED SERVICES, LLC 552   2012-08-07   
817-945 2 FTWPTXZP2MD  792K CHARTER IP ENABLED SERVICES, LLC 552   2012-09-20   

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Last updated: Tue, 29 Sep 2026 03:00:13 UTC

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