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Dallas, TX

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NPA-NXX BLOCK Switch OCN LATA LIR Eff date Disc date
469-204 7   9533 SOUTHWESTERN BELL 552   2013-03-28   
469-204 8   9533 SOUTHWESTERN BELL 552   2013-03-28   
469-204 9   9533 SOUTHWESTERN BELL 552   2013-03-28   
469-206 A DLLATX37DS6  6114 LEVEL 3 COMMUNICATIONS, LLC - TX 552      
469-206 0   793K TWC IP ENABLED SERVICES, LLC 552   2011-12-23   
469-206 1   903C ONVOY, LLC - TX 552   2011-12-16   
469-206 2   903C ONVOY, LLC - TX 552   2011-12-16   
469-206 3   793K TWC IP ENABLED SERVICES, LLC 552   2011-12-23   
469-206 4   6114 LEVEL 3 COMMUNICATIONS, LLC - TX 552   2011-11-12   
469-206 5   6114 LEVEL 3 COMMUNICATIONS, LLC - TX 552   2011-11-12   
469-206 6   793K TWC IP ENABLED SERVICES, LLC 552   2011-12-23   
469-206 7   793K TWC IP ENABLED SERVICES, LLC 552   2011-12-23   
469-206 8   004F BANDWIDTH.COM CLEC, LLC - TX 552   2012-02-24   
469-206 9   004F BANDWIDTH.COM CLEC, LLC - TX 552   2012-02-24   
469-210 A DLLSTXALDS4  903C ONVOY, LLC - TX 552      
469-210 0   903C ONVOY, LLC - TX 552   2016-01-18   
469-210 1   903C ONVOY, LLC - TX 552   2016-01-18   
469-210 2   903C ONVOY, LLC - TX 552   2016-01-18   
469-210 3   903C ONVOY, LLC - TX 552   2016-01-18   
469-210 4   903C ONVOY, LLC - TX 552   2016-01-18   
469-210 5   903C ONVOY, LLC - TX 552   2016-01-18   
469-210 6   903C ONVOY, LLC - TX 552   2016-01-18   
469-210 7   903C ONVOY, LLC - TX 552   2016-01-18   
469-210 8   903C ONVOY, LLC - TX 552   2016-01-18   
469-210 9   903C ONVOY, LLC - TX 552   2016-01-18   
469-221 A DLLBTXPVDS0  7148 TELEPORT COMMUNICATIONS AMERICA, LLC - TX 552      
469-221 0   7148 TELEPORT COMMUNICATIONS AMERICA, LLC - TX 552      
469-221 1   7148 TELEPORT COMMUNICATIONS AMERICA, LLC - TX 552      
469-221 2   7148 TELEPORT COMMUNICATIONS AMERICA, LLC - TX 552      
469-221 3   7148 TELEPORT COMMUNICATIONS AMERICA, LLC - TX 552      
469-221 4   7148 TELEPORT COMMUNICATIONS AMERICA, LLC - TX 552      
469-221 5   7148 TELEPORT COMMUNICATIONS AMERICA, LLC - TX 552      
469-221 6   7148 TELEPORT COMMUNICATIONS AMERICA, LLC - TX 552      
469-221 7   7148 TELEPORT COMMUNICATIONS AMERICA, LLC - TX 552      
469-221 8   7148 TELEPORT COMMUNICATIONS AMERICA, LLC - TX 552      
469-221 9   004F BANDWIDTH.COM CLEC, LLC - TX 552   2011-04-28   
469-227 A DLLSTXRIDS3  9533 SOUTHWESTERN BELL 552      
469-227 0   004F BANDWIDTH.COM CLEC, LLC - TX 552   2011-04-28   
469-227 1   9533 SOUTHWESTERN BELL 552      
469-227 2   9533 SOUTHWESTERN BELL 552      
469-227 3   9533 SOUTHWESTERN BELL 552      
469-227 4   9533 SOUTHWESTERN BELL 552      
469-227 5   9533 SOUTHWESTERN BELL 552      
469-227 6   9533 SOUTHWESTERN BELL 552      
469-227 7   9533 SOUTHWESTERN BELL 552      
469-227 8   9533 SOUTHWESTERN BELL 552      
469-227 9   9533 SOUTHWESTERN BELL 552      
469-232 A DLLSTXEMDS0  9533 SOUTHWESTERN BELL 552      
469-232 0   9533 SOUTHWESTERN BELL 552      
469-232 1   9533 SOUTHWESTERN BELL 552      

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

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