Local Calling Guide

Area code/prefix search

Search area code/prefix (NPA/NXX)
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NPA-NXX BLOCK Rate Centre Region OCN LATA LIR Eff date Disc date
346-299 6 Houston TX 903C ONVOY, LLC - TX 560   2017-10-15   
346-299 7 Houston TX 903C ONVOY, LLC - TX 560   2017-10-15   
346-299 8 Houston TX 903C ONVOY, LLC - TX 560   2017-10-15   
346-299 9 Houston TX 903C ONVOY, LLC - TX 560   2017-10-15   
346-300 A Bammel TX 903C ONVOY, LLC - TX 560      
346-300 0 Bammel TX 903C ONVOY, LLC - TX 560   2015-05-25   
346-300 3 Bammel TX 903C ONVOY, LLC - TX 560   2015-05-25   
346-300 4 Bammel TX 903C ONVOY, LLC - TX 560   2015-05-25   
346-301 1 Splendora TX 903C ONVOY, LLC - TX 560   2016-03-24   
346-301 2 Splendora TX 903C ONVOY, LLC - TX 560   2016-03-24   
346-304 6 Stafford TX 903C ONVOY, LLC - TX 560   2016-04-04   
346-306 A Langham Creek TX 903C ONVOY, LLC - TX 560      
346-306 0 Langham Creek TX 903C ONVOY, LLC - TX 560   2018-04-06   
346-313 8 Houston Suburban TX 903C ONVOY, LLC - TX 560   2017-06-30   
346-314 5 Satsuma TX 903C ONVOY, LLC - TX 560   2016-01-11   
346-315 0 Deer Park TX 903C ONVOY, LLC - TX 560   2016-03-21   
346-315 1 Deer Park TX 903C ONVOY, LLC - TX 560   2016-03-21   
346-315 3 Deer Park TX 903C ONVOY, LLC - TX 560   2016-04-04   
346-315 4 Deer Park TX 903C ONVOY, LLC - TX 560   2016-04-04   
346-320 8 Houston TX 903C ONVOY, LLC - TX 560   2017-07-05   
346-321 4 Channelview TX 903C ONVOY, LLC - TX 560   2016-04-04   
346-321 5 Channelview TX 903C ONVOY, LLC - TX 560   2016-04-04   
346-322 A Barker TX 903C ONVOY, LLC - TX 560      
346-322 0 Barker TX 903C ONVOY, LLC - TX 560   2018-02-19   
346-322 2 Barker TX 903C ONVOY, LLC - TX 560   2018-02-19   
346-323 7 Humble TX 903C ONVOY, LLC - TX 560   2017-06-30   
346-326 A Houston TX 903C ONVOY, LLC - TX 560      
346-326 0 Houston TX 903C ONVOY, LLC - TX 560   2018-04-06   
346-326 1 Houston TX 903C ONVOY, LLC - TX 560   2018-04-06   
346-326 2 Houston TX 903C ONVOY, LLC - TX 560   2018-04-06   
346-326 3 Houston TX 903C ONVOY, LLC - TX 560   2018-04-06   
346-326 4 Houston TX 903C ONVOY, LLC - TX 560   2018-04-06   
346-326 5 Houston TX 903C ONVOY, LLC - TX 560   2018-04-06   
346-326 6 Houston TX 903C ONVOY, LLC - TX 560   2018-04-06   
346-326 7 Houston TX 903C ONVOY, LLC - TX 560   2018-04-06   
346-326 8 Houston TX 903C ONVOY, LLC - TX 560   2018-04-06   
346-326 9 Houston TX 903C ONVOY, LLC - TX 560   2018-04-06   
346-330 5 Houston TX 903C ONVOY, LLC - TX 560   2017-01-05   
346-330 6 Houston TX 903C ONVOY, LLC - TX 560   2017-01-05   
346-331 4 Spring TX 903C ONVOY, LLC - TX 560   2015-12-08   
346-331 5 Spring TX 903C ONVOY, LLC - TX 560   2015-12-08   
346-332 A Cypress TX 903C ONVOY, LLC - TX 560      
346-332 0 Cypress TX 903C ONVOY, LLC - TX 560   2018-04-21   
346-336 4 Tomball TX 903C ONVOY, LLC - TX 560   2020-12-03   
346-336 5 Tomball TX 903C ONVOY, LLC - TX 560   2020-12-03   
346-338 5 Valley Lodge TX 903C ONVOY, LLC - TX 560   2021-04-12   
346-338 7 Valley Lodge TX 903C ONVOY, LLC - TX 560   2021-04-12   
346-338 8 Valley Lodge TX 903C ONVOY, LLC - TX 560   2020-12-11   
346-340 A Houston Suburban TX 903C ONVOY, LLC - TX 560      
346-340 0 Houston Suburban TX 903C ONVOY, LLC - TX 560   2016-02-08   

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

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