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Switch: HSTOTX42DS2

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NPA-NXX BLOCK Rate Centre Region OCN LATA LIR Eff date Disc date
346-238 1 Houston TX 7074 LEVEL 3 OF TELECOM OF TEXAS, LLC - TX 560   2016-06-10   
346-238 2 Houston TX 7074 LEVEL 3 OF TELECOM OF TEXAS, LLC - TX 560   2016-06-10   
346-238 3 Houston TX 7074 LEVEL 3 OF TELECOM OF TEXAS, LLC - TX 560   2016-06-10   
346-238 4 Houston TX 7074 LEVEL 3 OF TELECOM OF TEXAS, LLC - TX 560   2016-06-10   
346-238 5 Houston TX 7074 LEVEL 3 OF TELECOM OF TEXAS, LLC - TX 560   2016-06-10   
346-238 6 Houston TX 7074 LEVEL 3 OF TELECOM OF TEXAS, LLC - TX 560   2016-06-10   
346-238 7 Houston TX 7074 LEVEL 3 OF TELECOM OF TEXAS, LLC - TX 560   2016-06-10   
346-238 8 Houston TX 7074 LEVEL 3 OF TELECOM OF TEXAS, LLC - TX 560   2016-06-10   
346-238 9 Houston TX 7074 LEVEL 3 OF TELECOM OF TEXAS, LLC - TX 560   2016-06-10   
346-247 2 Houston TX 7074 LEVEL 3 OF TELECOM OF TEXAS, LLC - TX 560   2014-07-12   
346-247 3 Houston TX 7074 LEVEL 3 OF TELECOM OF TEXAS, LLC - TX 560   2014-07-12   
346-292 A Baytown TX 7074 LEVEL 3 OF TELECOM OF TEXAS, LLC - TX 560      
346-292 1 Baytown TX 7074 LEVEL 3 OF TELECOM OF TEXAS, LLC - TX 560   2018-02-16   
346-292 2 Baytown TX 7074 LEVEL 3 OF TELECOM OF TEXAS, LLC - TX 560   2018-02-16   
346-292 3 Baytown TX 7074 LEVEL 3 OF TELECOM OF TEXAS, LLC - TX 560   2018-02-16   
346-292 4 Baytown TX 7074 LEVEL 3 OF TELECOM OF TEXAS, LLC - TX 560   2018-02-16   
346-292 7 Baytown TX 7074 LEVEL 3 OF TELECOM OF TEXAS, LLC - TX 560   2018-02-16   
346-347 4 Alvin TX 7074 LEVEL 3 OF TELECOM OF TEXAS, LLC - TX 560   2016-04-26   
346-570 A Houston Suburban TX 7074 LEVEL 3 OF TELECOM OF TEXAS, LLC - TX 560      
346-874 A Sugar Land TX 7074 LEVEL 3 OF TELECOM OF TEXAS, LLC - TX 560      
346-874 2 Sugar Land TX 7074 LEVEL 3 OF TELECOM OF TEXAS, LLC - TX 560   2016-12-10   
346-874 3 Sugar Land TX 7074 LEVEL 3 OF TELECOM OF TEXAS, LLC - TX 560   2016-12-10   
346-874 4 Sugar Land TX 7074 LEVEL 3 OF TELECOM OF TEXAS, LLC - TX 560   2016-12-10   
346-874 5 Sugar Land TX 7074 LEVEL 3 OF TELECOM OF TEXAS, LLC - TX 560   2016-12-10   
346-874 6 Sugar Land TX 7074 LEVEL 3 OF TELECOM OF TEXAS, LLC - TX 560   2016-12-10   
346-901 A Sugar Land TX 7074 LEVEL 3 OF TELECOM OF TEXAS, LLC - TX 560      
346-901 2 Sugar Land TX 7074 LEVEL 3 OF TELECOM OF TEXAS, LLC - TX 560   2015-06-20   
409-229 2 Texas City-La Marque TX 7074 LEVEL 3 OF TELECOM OF TEXAS, LLC - TX 560   2011-02-07   
409-572 A Galveston TX 7074 LEVEL 3 OF TELECOM OF TEXAS, LLC - TX 560      
409-572 1 Galveston TX 7074 LEVEL 3 OF TELECOM OF TEXAS, LLC - TX 560      
409-572 2 Galveston TX 7074 LEVEL 3 OF TELECOM OF TEXAS, LLC - TX 560      
409-572 3 Galveston TX 7074 LEVEL 3 OF TELECOM OF TEXAS, LLC - TX 560      
409-572 4 Galveston TX 7074 LEVEL 3 OF TELECOM OF TEXAS, LLC - TX 560      
409-572 5 Galveston TX 7074 LEVEL 3 OF TELECOM OF TEXAS, LLC - TX 560      
409-978 4 Hitchcock-Santa Fe TX 7074 LEVEL 3 OF TELECOM OF TEXAS, LLC - TX 560   2009-08-24   
713-231 2 Houston TX 7074 LEVEL 3 OF TELECOM OF TEXAS, LLC - TX 560   2003-12-28   
713-234 3 Sugar Land TX 7074 LEVEL 3 OF TELECOM OF TEXAS, LLC - TX 560   2011-07-02   
713-264 3 Houston TX 7074 LEVEL 3 OF TELECOM OF TEXAS, LLC - TX 560   2005-07-22   
713-264 4 Houston TX 7074 LEVEL 3 OF TELECOM OF TEXAS, LLC - TX 560   2005-07-22   
713-321 1 Houston TX 7074 LEVEL 3 OF TELECOM OF TEXAS, LLC - TX 560   2013-08-11   
713-328 A Houston TX 7074 LEVEL 3 OF TELECOM OF TEXAS, LLC - TX 560      
713-328 0 Houston TX 7074 LEVEL 3 OF TELECOM OF TEXAS, LLC - TX 560      
713-328 1 Houston TX 7074 LEVEL 3 OF TELECOM OF TEXAS, LLC - TX 560      
713-328 2 Houston TX 7074 LEVEL 3 OF TELECOM OF TEXAS, LLC - TX 560      
713-328 3 Houston TX 7074 LEVEL 3 OF TELECOM OF TEXAS, LLC - TX 560      
713-328 4 Houston TX 7074 LEVEL 3 OF TELECOM OF TEXAS, LLC - TX 560      
713-328 5 Houston TX 7074 LEVEL 3 OF TELECOM OF TEXAS, LLC - TX 560      
713-328 6 Houston TX 7074 LEVEL 3 OF TELECOM OF TEXAS, LLC - TX 560      
713-328 7 Houston TX 7074 LEVEL 3 OF TELECOM OF TEXAS, LLC - TX 560      
713-328 8 Houston TX 7074 LEVEL 3 OF TELECOM OF TEXAS, LLC - TX 560      

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Last updated: Tue, 16 Jun 2026 00:09:45 UTC

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