Local Calling Guide

Area code/prefix search

Search area code/prefix (NPA/NXX)
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Switch: HSTQTX02DS4

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NPA-NXX BLOCK Rate Centre Region OCN LATA LIR Eff date Disc date
281-456 4 Sheldon TX 6114 LEVEL 3 COMMUNICATIONS, LLC - TX 560   2002-05-08   
281-459 0 Houston Suburban TX 6114 LEVEL 3 COMMUNICATIONS, LLC - TX 560   2006-08-31   
281-462 9 Crosby TX 6114 LEVEL 3 COMMUNICATIONS, LLC - TX 560   2018-07-07   
281-466 4 Spring EMS TX 6114 LEVEL 3 COMMUNICATIONS, LLC - TX 560   2002-05-08   
281-475 2 Spring TX 6114 LEVEL 3 COMMUNICATIONS, LLC - TX 560   2008-06-02   
281-500 A Langham Creek TX 6114 LEVEL 3 COMMUNICATIONS, LLC - TX 560      
281-500 2 Langham Creek TX 6114 LEVEL 3 COMMUNICATIONS, LLC - TX 560      
281-500 4 Langham Creek TX 6114 LEVEL 3 COMMUNICATIONS, LLC - TX 560      
281-500 6 Langham Creek TX 6114 LEVEL 3 COMMUNICATIONS, LLC - TX 560      
281-500 9 Langham Creek TX 6114 LEVEL 3 COMMUNICATIONS, LLC - TX 560   2005-12-12   
281-503 9 Porter Heights TX 6114 LEVEL 3 COMMUNICATIONS, LLC - TX 560   2019-05-05   
281-505 9 Katy TX 6114 LEVEL 3 COMMUNICATIONS, LLC - TX 560   2020-07-05   
281-506 0 Houston Suburban TX 6114 LEVEL 3 COMMUNICATIONS, LLC - TX 560   2006-05-07   
281-506 2 Houston Suburban TX 6114 LEVEL 3 COMMUNICATIONS, LLC - TX 560   2006-05-07   
281-509 9 Houston Suburban TX 6114 LEVEL 3 COMMUNICATIONS, LLC - TX 560   2007-12-05   
281-519 A Manvel TX 6114 LEVEL 3 COMMUNICATIONS, LLC - TX 560   2025-04-07   
281-519 5 Manvel TX 6114 LEVEL 3 COMMUNICATIONS, LLC - TX 560      
281-519 7 Manvel TX 6114 LEVEL 3 COMMUNICATIONS, LLC - TX 560   2011-09-01   
281-520 3 Houston TX 6114 LEVEL 3 COMMUNICATIONS, LLC - TX 560   2006-07-22   
281-520 4 Houston TX 6114 LEVEL 3 COMMUNICATIONS, LLC - TX 560   2006-07-22   
281-528 1 Spring TX 6114 LEVEL 3 COMMUNICATIONS, LLC - TX 560   2004-11-23   
281-528 4 Spring TX 6114 LEVEL 3 COMMUNICATIONS, LLC - TX 560   2005-07-16   
281-529 5 Houston Suburban TX 6114 LEVEL 3 COMMUNICATIONS, LLC - TX 560   2008-02-01   
281-532 5 Kemah TX 6114 LEVEL 3 COMMUNICATIONS, LLC - TX 560   2008-05-19   
281-542 3 Deer Park TX 6114 LEVEL 3 COMMUNICATIONS, LLC - TX 560   2006-05-07   
281-542 4 Deer Park TX 6114 LEVEL 3 COMMUNICATIONS, LLC - TX 560   2006-05-07   
281-547 A Tomball TX 6114 LEVEL 3 COMMUNICATIONS, LLC - TX 560   2025-04-07   
281-547 0 Tomball TX 6114 LEVEL 3 COMMUNICATIONS, LLC - TX 560   2008-02-13   
281-547 1 Tomball TX 6114 LEVEL 3 COMMUNICATIONS, LLC - TX 560      
281-547 6 Tomball TX 6114 LEVEL 3 COMMUNICATIONS, LLC - TX 560      
281-547 7 Tomball TX 6114 LEVEL 3 COMMUNICATIONS, LLC - TX 560   2008-02-13   
281-549 2 Kemah TX 6114 LEVEL 3 COMMUNICATIONS, LLC - TX 560   2006-12-07   
281-549 5 Kemah TX 6114 LEVEL 3 COMMUNICATIONS, LLC - TX 560   2011-04-23   
281-552 8 Houston Suburban TX 6114 LEVEL 3 COMMUNICATIONS, LLC - TX 560   2008-07-29   
281-557 6 League City TX 6114 LEVEL 3 COMMUNICATIONS, LLC - TX 560   2008-03-25   
281-571 3 Satsuma TX 6114 LEVEL 3 COMMUNICATIONS, LLC - TX 560   2006-01-05   
281-571 7 Satsuma TX 6114 LEVEL 3 COMMUNICATIONS, LLC - TX 560   2006-01-05   
281-573 0 Beach City TX 6114 LEVEL 3 COMMUNICATIONS, LLC - TX 560   2004-01-13   
281-573 8 Beach City TX 6114 LEVEL 3 COMMUNICATIONS, LLC - TX 560   2006-04-24   
281-576 1 Mont Belvieu TX 6114 LEVEL 3 COMMUNICATIONS, LLC - TX 560   2006-03-19   
281-576 7 Mont Belvieu TX 6114 LEVEL 3 COMMUNICATIONS, LLC - TX 560   2002-08-30   
281-576 9 Mont Belvieu TX 6114 LEVEL 3 COMMUNICATIONS, LLC - TX 560   2006-03-19   
281-581 1 Liverpool TX 6114 LEVEL 3 COMMUNICATIONS, LLC - TX 560   2008-02-13   
281-581 5 Liverpool TX 6114 LEVEL 3 COMMUNICATIONS, LLC - TX 560   2008-02-13   
281-601 1 Porter TX 6114 LEVEL 3 COMMUNICATIONS, LLC - TX 560   2006-09-11   
281-601 4 Porter TX 6114 LEVEL 3 COMMUNICATIONS, LLC - TX 560   2008-04-28   
281-602 A Spring TX 6114 LEVEL 3 COMMUNICATIONS, LLC - TX 560      
281-602 0 Spring TX 6114 LEVEL 3 COMMUNICATIONS, LLC - TX 560      
281-602 2 Spring TX 6114 LEVEL 3 COMMUNICATIONS, LLC - TX 560      
281-602 3 Spring TX 6114 LEVEL 3 COMMUNICATIONS, LLC - TX 560      

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Last updated: Thu, 16 Jul 2026 02:21:55 UTC

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