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
346-835 6 Houston TX 6114 LEVEL 3 COMMUNICATIONS, LLC - TX 560   2024-09-17   
346-835 7 Houston TX 6114 LEVEL 3 COMMUNICATIONS, LLC - TX 560   2024-09-17   
346-835 8 Houston TX 6114 LEVEL 3 COMMUNICATIONS, LLC - TX 560   2024-09-17   
346-835 9 Houston TX 6114 LEVEL 3 COMMUNICATIONS, LLC - TX 560   2024-09-17   
346-843 8 Richmond-Rosenberg TX 6114 LEVEL 3 COMMUNICATIONS, LLC - TX 560   2018-12-09   
346-862 A Houston TX 6114 LEVEL 3 COMMUNICATIONS, LLC - TX 560   2025-05-02   
346-862 1 Houston TX 6114 LEVEL 3 COMMUNICATIONS, LLC - TX 560   2025-05-02   
346-862 2 Houston TX 6114 LEVEL 3 COMMUNICATIONS, LLC - TX 560   2025-05-02   
346-862 3 Houston TX 6114 LEVEL 3 COMMUNICATIONS, LLC - TX 560   2025-05-02   
346-862 4 Houston TX 6114 LEVEL 3 COMMUNICATIONS, LLC - TX 560   2025-05-02   
346-862 5 Houston TX 6114 LEVEL 3 COMMUNICATIONS, LLC - TX 560   2025-05-02   
346-862 6 Houston TX 6114 LEVEL 3 COMMUNICATIONS, LLC - TX 560   2025-05-02   
346-862 7 Houston TX 6114 LEVEL 3 COMMUNICATIONS, LLC - TX 560   2025-05-02   
346-862 8 Houston TX 6114 LEVEL 3 COMMUNICATIONS, LLC - TX 560   2025-05-02   
346-862 9 Houston TX 6114 LEVEL 3 COMMUNICATIONS, LLC - TX 560   2025-05-02   
346-879 5 Houston TX 6114 LEVEL 3 COMMUNICATIONS, LLC - TX 560   2025-09-18   
346-879 6 Houston TX 6114 LEVEL 3 COMMUNICATIONS, LLC - TX 560   2025-09-18   
346-879 7 Houston TX 6114 LEVEL 3 COMMUNICATIONS, LLC - TX 560   2025-09-18   
346-879 8 Houston TX 6114 LEVEL 3 COMMUNICATIONS, LLC - TX 560   2025-09-18   
346-879 9 Houston TX 6114 LEVEL 3 COMMUNICATIONS, LLC - TX 560   2025-09-18   
346-888 2 Houston Suburban TX 6114 LEVEL 3 COMMUNICATIONS, LLC - TX 560   2014-10-10   
346-888 3 Houston Suburban TX 6114 LEVEL 3 COMMUNICATIONS, LLC - TX 560   2014-10-23   
346-888 4 Houston Suburban TX 6114 LEVEL 3 COMMUNICATIONS, LLC - TX 560   2014-10-23   
346-980 4 Houston TX 6114 LEVEL 3 COMMUNICATIONS, LLC - TX 560   2015-05-02   
409-229 A Texas City-La Marque TX 6114 LEVEL 3 COMMUNICATIONS, LLC - TX 560      
409-229 4 Texas City-La Marque TX 6114 LEVEL 3 COMMUNICATIONS, LLC - TX 560      
409-316 3 Hitchcock-Santa Fe EMS TX 6114 LEVEL 3 COMMUNICATIONS, LLC - TX 560   2008-11-19   
409-316 5 Hitchcock-Santa Fe EMS TX 6114 LEVEL 3 COMMUNICATIONS, LLC - TX 560   2011-06-09   
409-316 7 Hitchcock-Santa Fe EMS TX 6114 LEVEL 3 COMMUNICATIONS, LLC - TX 560   2012-01-08   
409-356 4 Galveston TX 6114 LEVEL 3 COMMUNICATIONS, LLC - TX 560   2005-09-10   
409-356 9 Galveston TX 6114 LEVEL 3 COMMUNICATIONS, LLC - TX 560   2006-06-17   
409-359 4 Texas City-La Marque TX 6114 LEVEL 3 COMMUNICATIONS, LLC - TX 560   2005-09-16   
409-359 5 Texas City-La Marque TX 6114 LEVEL 3 COMMUNICATIONS, LLC - TX 560   2005-09-16   
409-419 A Texas City-La Marque TX 6114 LEVEL 3 COMMUNICATIONS, LLC - TX 560      
409-419 0 Texas City-La Marque TX 6114 LEVEL 3 COMMUNICATIONS, LLC - TX 560      
409-419 1 Texas City-La Marque TX 6114 LEVEL 3 COMMUNICATIONS, LLC - TX 560      
409-440 3 Hitchcock-Santa Fe TX 6114 LEVEL 3 COMMUNICATIONS, LLC - TX 560   2011-07-16   
409-440 4 Hitchcock-Santa Fe TX 6114 LEVEL 3 COMMUNICATIONS, LLC - TX 560   2003-03-24   
409-440 7 Hitchcock-Santa Fe TX 6114 LEVEL 3 COMMUNICATIONS, LLC - TX 560   2005-05-01   
409-440 9 Hitchcock-Santa Fe TX 6114 LEVEL 3 COMMUNICATIONS, LLC - TX 560   2006-04-05   
409-515 A Galveston TX 6114 LEVEL 3 COMMUNICATIONS, LLC - TX 560      
409-515 0 Galveston TX 6114 LEVEL 3 COMMUNICATIONS, LLC - TX 560      
409-515 1 Galveston TX 6114 LEVEL 3 COMMUNICATIONS, LLC - TX 560      
409-515 2 Galveston TX 6114 LEVEL 3 COMMUNICATIONS, LLC - TX 560      
409-515 8 Galveston TX 6114 LEVEL 3 COMMUNICATIONS, LLC - TX 560   2013-08-03   
409-515 9 Galveston TX 6114 LEVEL 3 COMMUNICATIONS, LLC - TX 560      
409-877 A Galveston TX 6114 LEVEL 3 COMMUNICATIONS, LLC - TX 560      
409-877 1 Galveston TX 6114 LEVEL 3 COMMUNICATIONS, LLC - TX 560   2005-03-13   
409-877 4 Galveston TX 6114 LEVEL 3 COMMUNICATIONS, LLC - TX 560      
409-877 5 Galveston TX 6114 LEVEL 3 COMMUNICATIONS, LLC - TX 560   2006-06-17   

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

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