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
346-783 0 Deer Park TX 903C ONVOY, LLC - TX 560   2024-07-15   
346-783 1 Deer Park TX 903C ONVOY, LLC - TX 560   2024-07-15   
346-784 A Seabrook TX 903C ONVOY, LLC - TX 560   2024-05-03   
346-784 0 Seabrook TX 903C ONVOY, LLC - TX 560   2024-05-03   
346-784 1 Seabrook TX 903C ONVOY, LLC - TX 560   2024-07-08   
346-785 A Alvin TX 903C ONVOY, LLC - TX 560   2024-05-19   
346-785 0 Alvin TX 903C ONVOY, LLC - TX 560   2024-05-19   
346-785 1 Alvin TX 903C ONVOY, LLC - TX 560   2024-05-20   
346-787 A La Porte TX 903C ONVOY, LLC - TX 560      
346-787 0 La Porte TX 903C ONVOY, LLC - TX 560   2016-05-23   
346-787 1 La Porte TX 903C ONVOY, LLC - TX 560   2016-05-23   
346-787 2 La Porte TX 903C ONVOY, LLC - TX 560   2016-05-24   
346-787 3 La Porte TX 903C ONVOY, LLC - TX 560   2016-05-24   
346-787 7 La Porte TX 903C ONVOY, LLC - TX 560   2024-04-15   
346-790 A La Porte TX 903C ONVOY, LLC - TX 560   2024-05-19   
346-790 0 La Porte TX 903C ONVOY, LLC - TX 560   2024-05-19   
346-791 A Humble TX 903C ONVOY, LLC - TX 560   2024-05-19   
346-791 0 Humble TX 903C ONVOY, LLC - TX 560   2024-05-19   
346-791 1 Humble TX 903C ONVOY, LLC - TX 560   2024-05-20   
346-791 2 Humble TX 903C ONVOY, LLC - TX 560   2024-05-20   
346-791 4 Humble TX 903C ONVOY, LLC - TX 560   2024-07-08   
346-793 A Stafford TX 903C ONVOY, LLC - TX 560   2024-06-01   
346-793 0 Stafford TX 903C ONVOY, LLC - TX 560   2024-06-01   
346-794 A Tomball TX 903C ONVOY, LLC - TX 560   2024-06-03   
346-794 0 Tomball TX 903C ONVOY, LLC - TX 560   2024-06-03   
346-796 A Cypress TX 903C ONVOY, LLC - TX 560   2024-06-09   
346-796 0 Cypress TX 903C ONVOY, LLC - TX 560   2024-06-09   
346-797 A Westfield TX 903C ONVOY, LLC - TX 560   2024-06-20   
346-797 0 Westfield TX 903C ONVOY, LLC - TX 560   2024-06-20   
346-798 A Friendswood TX 903C ONVOY, LLC - TX 560   2024-06-09   
346-798 0 Friendswood TX 903C ONVOY, LLC - TX 560   2024-06-09   
346-798 1 Friendswood TX 903C ONVOY, LLC - TX 560   2024-07-01   
346-798 8 Friendswood TX 903C ONVOY, LLC - TX 560   2024-07-01   
346-800 A Houston TX 903C ONVOY, LLC - TX 560      
346-800 0 Houston TX 903C ONVOY, LLC - TX 560   2015-05-25   
346-800 5 Houston TX 903C ONVOY, LLC - TX 560   2015-05-26   
346-800 6 Houston TX 903C ONVOY, LLC - TX 560   2015-05-26   
346-800 8 Houston TX 903C ONVOY, LLC - TX 560   2015-05-25   
346-800 9 Houston TX 903C ONVOY, LLC - TX 560   2015-05-25   
346-805 3 Humble TX 903C ONVOY, LLC - TX 560   2024-12-14   
346-808 4 Tomball TX 903C ONVOY, LLC - TX 560   2016-01-04   
346-808 6 Tomball TX 903C ONVOY, LLC - TX 560   2016-01-04   
346-809 A Houston TX 903C ONVOY, LLC - TX 560   2024-06-20   
346-809 0 Houston TX 903C ONVOY, LLC - TX 560   2024-06-20   
346-815 2 Apollo TX 903C ONVOY, LLC - TX 560   2016-12-24   
346-815 8 Apollo TX 903C ONVOY, LLC - TX 560   2020-01-30   
346-816 1 Arcola TX 903C ONVOY, LLC - TX 560   2017-05-28   
346-818 2 Cypress TX 903C ONVOY, LLC - TX 560   2016-03-01   
346-818 3 Cypress TX 903C ONVOY, LLC - TX 560   2016-03-01   
346-818 5 Cypress TX 903C ONVOY, LLC - TX 560   2016-03-21   

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

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