Local Calling Guide

Area code/prefix search

Search area code/prefix (NPA/NXX)
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Switch: HSTOTX42DS2

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NPA-NXX BLOCK Rate Centre Region OCN LATA LIR Eff date Disc date
713-335 A Houston TX 7074 LEVEL 3 OF TELECOM OF TEXAS, LLC - TX 560      
713-338 3 Houston TX 7074 LEVEL 3 OF TELECOM OF TEXAS, LLC - TX 560   2010-08-11   
713-341 A Houston TX 7074 LEVEL 3 OF TELECOM OF TEXAS, LLC - TX 560      
713-351 A Houston TX 7074 LEVEL 3 OF TELECOM OF TEXAS, LLC - TX 560      
713-351 0 Houston TX 7074 LEVEL 3 OF TELECOM OF TEXAS, LLC - TX 560      
713-351 1 Houston TX 7074 LEVEL 3 OF TELECOM OF TEXAS, LLC - TX 560      
713-351 2 Houston TX 7074 LEVEL 3 OF TELECOM OF TEXAS, LLC - TX 560      
713-351 3 Houston TX 7074 LEVEL 3 OF TELECOM OF TEXAS, LLC - TX 560      
713-351 4 Houston TX 7074 LEVEL 3 OF TELECOM OF TEXAS, LLC - TX 560      
713-351 5 Houston TX 7074 LEVEL 3 OF TELECOM OF TEXAS, LLC - TX 560      
713-351 6 Houston TX 7074 LEVEL 3 OF TELECOM OF TEXAS, LLC - TX 560      
713-351 7 Houston TX 7074 LEVEL 3 OF TELECOM OF TEXAS, LLC - TX 560      
713-351 8 Houston TX 7074 LEVEL 3 OF TELECOM OF TEXAS, LLC - TX 560      
713-358 A Houston TX 7074 LEVEL 3 OF TELECOM OF TEXAS, LLC - TX 560      
713-362 A Houston TX 7074 LEVEL 3 OF TELECOM OF TEXAS, LLC - TX 560      
713-366 7 Houston TX 7074 LEVEL 3 OF TELECOM OF TEXAS, LLC - TX 560   2006-06-19   
713-375 A Houston TX 7074 LEVEL 3 OF TELECOM OF TEXAS, LLC - TX 560      
713-380 A Houston TX 7074 LEVEL 3 OF TELECOM OF TEXAS, LLC - TX 560      
713-380 3 Houston TX 7074 LEVEL 3 OF TELECOM OF TEXAS, LLC - TX 560   2013-10-03   
713-380 4 Houston TX 7074 LEVEL 3 OF TELECOM OF TEXAS, LLC - TX 560   2013-10-03   
713-389 1 Spring TX 7074 LEVEL 3 OF TELECOM OF TEXAS, LLC - TX 560   2008-06-16   
713-395 A Houston TX 7074 LEVEL 3 OF TELECOM OF TEXAS, LLC - TX 560      
713-396 A Houston TX 7074 LEVEL 3 OF TELECOM OF TEXAS, LLC - TX 560      
713-396 4 Houston TX 7074 LEVEL 3 OF TELECOM OF TEXAS, LLC - TX 560   2011-01-20   
713-441 A Houston TX 7074 LEVEL 3 OF TELECOM OF TEXAS, LLC - TX 560      
713-452 A Houston TX 7074 LEVEL 3 OF TELECOM OF TEXAS, LLC - TX 560      
713-452 1 Houston TX 7074 LEVEL 3 OF TELECOM OF TEXAS, LLC - TX 560   2008-06-13   
713-452 2 Houston TX 7074 LEVEL 3 OF TELECOM OF TEXAS, LLC - TX 560   2008-06-13   
713-452 3 Houston TX 7074 LEVEL 3 OF TELECOM OF TEXAS, LLC - TX 560   2008-06-13   
713-452 4 Houston TX 7074 LEVEL 3 OF TELECOM OF TEXAS, LLC - TX 560   2008-06-13   
713-452 5 Houston TX 7074 LEVEL 3 OF TELECOM OF TEXAS, LLC - TX 560   2008-06-13   
713-452 6 Houston TX 7074 LEVEL 3 OF TELECOM OF TEXAS, LLC - TX 560   2008-06-13   
713-452 7 Houston TX 7074 LEVEL 3 OF TELECOM OF TEXAS, LLC - TX 560   2008-06-13   
713-452 8 Houston TX 7074 LEVEL 3 OF TELECOM OF TEXAS, LLC - TX 560   2008-06-13   
713-457 A Houston TX 7074 LEVEL 3 OF TELECOM OF TEXAS, LLC - TX 560      
713-482 A Houston Suburban TX 7074 LEVEL 3 OF TELECOM OF TEXAS, LLC - TX 560      
713-482 0 Houston Suburban TX 7074 LEVEL 3 OF TELECOM OF TEXAS, LLC - TX 560      
713-482 2 Houston Suburban TX 7074 LEVEL 3 OF TELECOM OF TEXAS, LLC - TX 560      
713-482 3 Houston Suburban TX 7074 LEVEL 3 OF TELECOM OF TEXAS, LLC - TX 560      
713-482 4 Houston Suburban TX 7074 LEVEL 3 OF TELECOM OF TEXAS, LLC - TX 560      
713-482 5 Houston Suburban TX 7074 LEVEL 3 OF TELECOM OF TEXAS, LLC - TX 560      
713-482 6 Houston Suburban TX 7074 LEVEL 3 OF TELECOM OF TEXAS, LLC - TX 560      
713-485 1 Houston TX 7074 LEVEL 3 OF TELECOM OF TEXAS, LLC - TX 560   2009-11-09   
713-485 2 Houston TX 7074 LEVEL 3 OF TELECOM OF TEXAS, LLC - TX 560   2009-04-11   
713-485 3 Houston TX 7074 LEVEL 3 OF TELECOM OF TEXAS, LLC - TX 560   2009-04-11   
713-485 7 Houston TX 7074 LEVEL 3 OF TELECOM OF TEXAS, LLC - TX 560   2009-06-22   
713-485 8 Houston TX 7074 LEVEL 3 OF TELECOM OF TEXAS, LLC - TX 560   2009-06-22   
713-486 A Houston TX 7074 LEVEL 3 OF TELECOM OF TEXAS, LLC - TX 560      
713-486 0 Houston TX 7074 LEVEL 3 OF TELECOM OF TEXAS, LLC - TX 560   2008-09-28   
713-486 1 Houston TX 7074 LEVEL 3 OF TELECOM OF TEXAS, LLC - TX 560   2008-09-28   

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

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