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: 222

NPA-NXX BLOCK Rate Centre Region Switch OCN LATA LIR Eff date Disc date
346-222 A La Porte TX HSTNTXJADS6  319D FOREMOST TELECOMMUNICATIONS CORPORATION - TX 560      
346-222 0 La Porte TX HSTNTXGI0MD  004F BANDWIDTH.COM CLEC, LLC - TX 560   2014-08-21   
346-222 1 La Porte TX HSTNTXGI0MD  004F BANDWIDTH.COM CLEC, LLC - TX 560   2015-08-31   
346-222 2 La Porte TX HSTNTXJADS6  319D FOREMOST TELECOMMUNICATIONS CORPORATION - TX 560   2014-07-01   
346-222 3 La Porte TX HSTNTXYADS5  903C ONVOY, LLC - TX 560   2014-10-02   
346-222 4 La Porte TX HSTNTXYADS5  903C ONVOY, LLC - TX 560   2014-10-02   
346-222 5 La Porte TX HSTNTXGI0MD  004F BANDWIDTH.COM CLEC, LLC - TX 560   2016-08-21   
346-222 6 La Porte TX HSTSTXJV6MD  508J CENTURYLINK COMMUNICATIONS, LLC 560   2015-05-20   
346-222 7 La Porte TX HSTNTXMOX7X  318J COMCAST IP PHONE, LLC 560   2014-12-12   
346-222 8 La Porte TX   515J IP HORIZON LLC 560   2016-01-04   
346-222 9 La Porte TX   515J IP HORIZON LLC 560   2015-03-23   

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

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