Local Calling Guide

Area code/prefix search

Search area code/prefix (NPA/NXX)
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NPA: 346 [Rate centres in NPA 346] [Dial plan for NPA 346]

NXX: 766

NPA-NXX BLOCK Rate Centre Region Switch OCN LATA LIR Eff date Disc date
346-766 A Houston TX HSTNTXJAXBY  965H FRACTEL, LLC 560      
346-766 0 Houston TX   903C ONVOY, LLC - TX 560   2020-04-27   
346-766 1 Houston TX   903C ONVOY, LLC - TX 560   2020-04-27   
346-766 2 Houston TX   6114 LEVEL 3 COMMUNICATIONS, LLC - TX 560   2020-08-28   
346-766 3 Houston TX   965H FRACTEL, LLC 560   2019-07-17   
346-766 4 Houston TX   624H ONVOY SPECTRUM, LLC 560   2020-07-07   
346-766 5 Houston TX   624H ONVOY SPECTRUM, LLC 560   2020-07-07   
346-766 6 Houston TX   965H FRACTEL, LLC 560   2019-07-17   
346-766 7 Houston TX   624H ONVOY SPECTRUM, LLC 560   2020-07-07   
346-766 8 Houston TX   6114 LEVEL 3 COMMUNICATIONS, LLC - TX 560   2020-08-28   
346-766 9 Houston TX   6701 AERIAL COMMUNICATIONS, INC. 560   2020-09-07   

Last updated: Thu, 29 Jan 2026 14:35:03 UTC

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