Local Calling Guide

Area code/prefix search

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Switch: HSTQTX02DS4

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NPA-NXX BLOCK Rate Centre Region OCN LATA LIR Eff date Disc date
346-231 1 Houston TX 6114 LEVEL 3 COMMUNICATIONS, LLC - TX 560   2015-08-14   
346-231 4 Houston TX 6114 LEVEL 3 COMMUNICATIONS, LLC - TX 560   2015-08-13   
346-231 5 Houston TX 6114 LEVEL 3 COMMUNICATIONS, LLC - TX 560   2015-08-13   
346-231 6 Houston TX 6114 LEVEL 3 COMMUNICATIONS, LLC - TX 560   2015-08-13   
346-231 7 Houston TX 6114 LEVEL 3 COMMUNICATIONS, LLC - TX 560   2015-08-13   
346-231 8 Houston TX 6114 LEVEL 3 COMMUNICATIONS, LLC - TX 560   2015-08-14   
346-231 9 Houston TX 6114 LEVEL 3 COMMUNICATIONS, LLC - TX 560   2015-08-14   
346-237 5 Houston TX 6114 LEVEL 3 COMMUNICATIONS, LLC - TX 560   2017-08-05   
346-237 8 Houston TX 6114 LEVEL 3 COMMUNICATIONS, LLC - TX 560   2017-08-05   
346-241 3 Houston TX 6114 LEVEL 3 COMMUNICATIONS, LLC - TX 560   2016-09-15   
346-241 4 Houston TX 6114 LEVEL 3 COMMUNICATIONS, LLC - TX 560   2016-09-15   
346-257 A Katy TX 6114 LEVEL 3 COMMUNICATIONS, LLC - TX 560      
346-257 2 Katy TX 6114 LEVEL 3 COMMUNICATIONS, LLC - TX 560   2017-07-06   
346-257 6 Katy TX 6114 LEVEL 3 COMMUNICATIONS, LLC - TX 560   2017-10-14   
346-279 2 Sugar Land TX 6114 LEVEL 3 COMMUNICATIONS, LLC - TX 560   2018-02-04   
346-293 7 Houston TX 6114 LEVEL 3 COMMUNICATIONS, LLC - TX 560   2018-10-17   
346-307 9 Katy TX 6114 LEVEL 3 COMMUNICATIONS, LLC - TX 560   2016-01-22   
346-308 6 Houston TX 6114 LEVEL 3 COMMUNICATIONS, LLC - TX 560   2015-12-06   
346-308 9 Houston TX 6114 LEVEL 3 COMMUNICATIONS, LLC - TX 560   2015-12-06   
346-309 3 Sugar Land TX 6114 LEVEL 3 COMMUNICATIONS, LLC - TX 560   2016-02-07   
346-319 6 Houston TX 6114 LEVEL 3 COMMUNICATIONS, LLC - TX 560   2016-02-07   
346-320 0 Houston TX 6114 LEVEL 3 COMMUNICATIONS, LLC - TX 560   2017-08-05   
346-320 5 Houston TX 6114 LEVEL 3 COMMUNICATIONS, LLC - TX 560   2016-10-15   
346-330 7 Houston TX 6114 LEVEL 3 COMMUNICATIONS, LLC - TX 560   2017-03-20   
346-335 0 Houston TX 6114 LEVEL 3 COMMUNICATIONS, LLC - TX 560   2018-07-07   
346-335 4 Houston TX 6114 LEVEL 3 COMMUNICATIONS, LLC - TX 560   2018-06-02   
346-335 9 Houston TX 6114 LEVEL 3 COMMUNICATIONS, LLC - TX 560   2018-10-13   
346-353 2 Houston TX 6114 LEVEL 3 COMMUNICATIONS, LLC - TX 560   2019-04-13   
346-354 2 Houston TX 6114 LEVEL 3 COMMUNICATIONS, LLC - TX 560   2018-12-01   
346-356 A Houston TX 6114 LEVEL 3 COMMUNICATIONS, LLC - TX 560      
346-356 0 Houston TX 6114 LEVEL 3 COMMUNICATIONS, LLC - TX 560   2018-09-13   
346-356 1 Houston TX 6114 LEVEL 3 COMMUNICATIONS, LLC - TX 560   2018-09-13   
346-356 2 Houston TX 6114 LEVEL 3 COMMUNICATIONS, LLC - TX 560   2018-09-13   
346-356 3 Houston TX 6114 LEVEL 3 COMMUNICATIONS, LLC - TX 560   2018-09-13   
346-356 4 Houston TX 6114 LEVEL 3 COMMUNICATIONS, LLC - TX 560   2018-09-13   
346-356 5 Houston TX 6114 LEVEL 3 COMMUNICATIONS, LLC - TX 560   2018-09-13   
346-356 6 Houston TX 6114 LEVEL 3 COMMUNICATIONS, LLC - TX 560   2018-09-13   
346-356 7 Houston TX 6114 LEVEL 3 COMMUNICATIONS, LLC - TX 560   2018-09-13   
346-356 8 Houston TX 6114 LEVEL 3 COMMUNICATIONS, LLC - TX 560   2018-09-13   
346-356 9 Houston TX 6114 LEVEL 3 COMMUNICATIONS, LLC - TX 560   2018-09-13   
346-358 5 League City TX 6114 LEVEL 3 COMMUNICATIONS, LLC - TX 560   2019-03-22   
346-382 9 Spring TX 6114 LEVEL 3 COMMUNICATIONS, LLC - TX 560   2019-05-03   
346-426 0 Houston TX 6114 LEVEL 3 COMMUNICATIONS, LLC - TX 560   2020-04-09   
346-426 1 Houston TX 6114 LEVEL 3 COMMUNICATIONS, LLC - TX 560   2020-04-09   
346-427 4 Apollo TX 6114 LEVEL 3 COMMUNICATIONS, LLC - TX 560   2021-01-08   
346-427 5 Apollo TX 6114 LEVEL 3 COMMUNICATIONS, LLC - TX 560   2021-01-08   
346-427 6 Apollo TX 6114 LEVEL 3 COMMUNICATIONS, LLC - TX 560   2021-01-08   
346-427 7 Apollo TX 6114 LEVEL 3 COMMUNICATIONS, LLC - TX 560   2021-01-08   
346-444 1 Houston TX 6114 LEVEL 3 COMMUNICATIONS, LLC - TX 560   2014-09-01   
346-444 2 Houston TX 6114 LEVEL 3 COMMUNICATIONS, LLC - TX 560   2014-09-01   

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

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