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Fort Worth, TX

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NPA-NXX BLOCK Switch OCN LATA LIR Eff date Disc date
817-702 0   9533 SOUTHWESTERN BELL 552   2006-11-25   
817-702 1   9533 SOUTHWESTERN BELL 552   2006-11-25   
817-702 2   9533 SOUTHWESTERN BELL 552   2006-11-25   
817-702 3   9533 SOUTHWESTERN BELL 552   2006-11-25   
817-702 4   9533 SOUTHWESTERN BELL 552   2006-11-25   
817-702 5   9533 SOUTHWESTERN BELL 552   2006-11-25   
817-702 6   9533 SOUTHWESTERN BELL 552   2006-11-25   
817-702 7   9533 SOUTHWESTERN BELL 552   2006-11-25   
817-702 8   9533 SOUTHWESTERN BELL 552   2006-11-25   
817-702 9   9533 SOUTHWESTERN BELL 552   2006-11-25   
817-708 A DLLFTXFQDS1  7516 LEVEL 3 OF TELECOM OF TEXAS, LLC - TX 552      
817-708 0   7516 LEVEL 3 OF TELECOM OF TEXAS, LLC - TX 552      
817-708 1   7516 LEVEL 3 OF TELECOM OF TEXAS, LLC - TX 552      
817-708 2   792K CHARTER IP ENABLED SERVICES, LLC 552   2013-06-24   
817-708 3   7516 LEVEL 3 OF TELECOM OF TEXAS, LLC - TX 552      
817-708 4   7516 LEVEL 3 OF TELECOM OF TEXAS, LLC - TX 552      
817-708 5   7516 LEVEL 3 OF TELECOM OF TEXAS, LLC - TX 552      
817-708 6   7516 LEVEL 3 OF TELECOM OF TEXAS, LLC - TX 552      
817-708 7   7516 LEVEL 3 OF TELECOM OF TEXAS, LLC - TX 552      
817-708 8   7516 LEVEL 3 OF TELECOM OF TEXAS, LLC - TX 552      
817-708 9   7516 LEVEL 3 OF TELECOM OF TEXAS, LLC - TX 552      
817-710 A FTWPTXWCX4X  7399 WESTEL, INC. - TX 552      
817-710 0   7399 WESTEL, INC. - TX 552   2006-09-11   
817-710 1   903C ONVOY, LLC - TX 552   2008-01-29   
817-710 2   903C ONVOY, LLC - TX 552   2008-01-29   
817-710 3   903C ONVOY, LLC - TX 552   2008-04-25   
817-710 4   903C ONVOY, LLC - TX 552   2008-07-08   
817-710 5   903C ONVOY, LLC - TX 552   2008-07-08   
817-710 6   903C ONVOY, LLC - TX 552   2008-07-08   
817-710 7   903C ONVOY, LLC - TX 552   2010-09-22   
817-710 8   903C ONVOY, LLC - TX 552   2010-09-22   
817-710 9   5562 METROPCS, INC. 552   2011-03-02   
817-717 A DLLATX37DS6  6114 LEVEL 3 COMMUNICATIONS, LLC - TX 552      
817-717 0   5562 METROPCS, INC. 552   2010-11-04   
817-717 1   6114 LEVEL 3 COMMUNICATIONS, LLC - TX 552   2005-03-13   
817-717 2   6114 LEVEL 3 COMMUNICATIONS, LLC - TX 552   2005-05-01   
817-717 3   6114 LEVEL 3 COMMUNICATIONS, LLC - TX 552   2004-09-18   
817-717 4   6114 LEVEL 3 COMMUNICATIONS, LLC - TX 552      
817-717 5   6114 LEVEL 3 COMMUNICATIONS, LLC - TX 552   2005-05-01   
817-717 6   6114 LEVEL 3 COMMUNICATIONS, LLC - TX 552   2005-05-01   
817-717 7   6114 LEVEL 3 COMMUNICATIONS, LLC - TX 552   2005-05-01   
817-717 8   6114 LEVEL 3 COMMUNICATIONS, LLC - TX 552   2005-05-01   
817-717 9   6114 LEVEL 3 COMMUNICATIONS, LLC - TX 552   2005-05-01   
817-720 A DLLSTXJFPS1  7229 MCIMETRO ACCESS TRANSMISSION SERVICES LLC 552      
817-720 0   004F BANDWIDTH.COM CLEC, LLC - TX 552   2022-10-31   
817-720 1   7229 MCIMETRO ACCESS TRANSMISSION SERVICES LLC 552      
817-720 2   6529 T-MOBILE USA, INC. 552   2025-05-05   
817-720 3   792K CHARTER IP ENABLED SERVICES, LLC 552   2017-08-06   
817-720 4   7229 MCIMETRO ACCESS TRANSMISSION SERVICES LLC 552      
817-720 5   792K CHARTER IP ENABLED SERVICES, LLC 552   2017-07-05   
817-720 6   792K CHARTER IP ENABLED SERVICES, LLC 552   2017-05-05   
817-720 7   792K CHARTER IP ENABLED SERVICES, LLC 552   2017-07-02   
817-720 8   5562 METROPCS, INC. 552   2019-07-22   
817-720 9   177F PEERLESS NETWORK OF TEXAS, LLC - TX 552   2017-08-10   
817-730 A FTWOTXEDDS0  9533 SOUTHWESTERN BELL 552      
817-730 0   9533 SOUTHWESTERN BELL 552      
817-730 1   5562 METROPCS, INC. 552   2011-03-24   
817-730 2   9533 SOUTHWESTERN BELL 552      
817-730 3   5562 METROPCS, INC. 552   2012-02-23   
817-730 4   903C ONVOY, LLC - TX 552   2012-08-01   
817-730 5   903C ONVOY, LLC - TX 552   2012-08-01   
817-730 6   903C ONVOY, LLC - TX 552   2012-08-01   
817-730 7   9533 SOUTHWESTERN BELL 552      
817-730 8   5562 METROPCS, INC. 552   2012-02-23   
817-730 9   903C ONVOY, LLC - TX 552   2011-06-17   
817-731 A FTWOTXPEDS0  9533 SOUTHWESTERN BELL 552      
817-732 A FTWOTXPEDS0  9533 SOUTHWESTERN BELL 552      
817-735 A FTWOTXPEDS0  9533 SOUTHWESTERN BELL 552      
817-737 A FTWOTXPEDS0  9533 SOUTHWESTERN BELL 552      
817-738 A FTWOTXPEDS0  9533 SOUTHWESTERN BELL 552      
817-740 A FTWOTXMADS0  9533 SOUTHWESTERN BELL 552      
817-744 A   792K CHARTER IP ENABLED SERVICES, LLC 552      
817-744 0   5562 METROPCS, INC. 552   2011-02-15   
817-744 1   792K CHARTER IP ENABLED SERVICES, LLC 552      
817-744 2   792K CHARTER IP ENABLED SERVICES, LLC 552      
817-744 3   792K CHARTER IP ENABLED SERVICES, LLC 552      
817-744 4   792K CHARTER IP ENABLED SERVICES, LLC 552      
817-744 5   792K CHARTER IP ENABLED SERVICES, LLC 552      
817-744 6   792K CHARTER IP ENABLED SERVICES, LLC 552      
817-744 7   792K CHARTER IP ENABLED SERVICES, LLC 552   2008-03-07   
817-744 8   792K CHARTER IP ENABLED SERVICES, LLC 552   2008-05-07   
817-744 9   6529 T-MOBILE USA, INC. 552   2025-02-24   
817-750 A   004F BANDWIDTH.COM CLEC, LLC - TX 552      
817-750 0   004F BANDWIDTH.COM CLEC, LLC - TX 552      
817-750 1   7148 TELEPORT COMMUNICATIONS AMERICA, LLC - TX 552      
817-750 2   6529 T-MOBILE USA, INC. 552   2025-07-28   
817-750 3   6529 T-MOBILE USA, INC. 552   2025-07-28   
817-750 4   6529 T-MOBILE USA, INC. 552   2025-07-28   
817-750 5   6529 T-MOBILE USA, INC. 552   2025-07-28   
817-750 6   6529 T-MOBILE USA, INC. 552   2025-07-28   
817-750 7   6529 T-MOBILE USA, INC. 552   2025-07-28   
817-750 8   6529 T-MOBILE USA, INC. 552   2025-02-24   
817-750 9   6529 T-MOBILE USA, INC. 552   2025-07-28   
817-759 A FTWOTXTEDS0  9533 SOUTHWESTERN BELL 552      
817-759 0   9533 SOUTHWESTERN BELL 552      
817-759 1   9533 SOUTHWESTERN BELL 552      
817-759 2   9533 SOUTHWESTERN BELL 552      
817-759 3   9533 SOUTHWESTERN BELL 552      
817-759 4   9533 SOUTHWESTERN BELL 552      
817-759 5   9533 SOUTHWESTERN BELL 552      

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Last updated: Thu, 01 Jan 2026 03:59:49 UTC

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