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: 466

NPA-NXX BLOCK Rate Centre Region Switch OCN LATA LIR Eff date Disc date
346-466 A Highlands TX BYTWTXXAHMD  903C ONVOY, LLC - TX 560      
346-466 0 Highlands TX HSTNTXYAHMD  073H TELNYX LLC 560   2021-03-19   
346-466 1 Highlands TX HSTNTX362MD  939H COMMIO, LLC 560   2021-10-16   
346-466 2 Highlands TX HSTNTXJAXGY  516J TON80 COMMUNICATIONS, LLC 560   2021-06-21   
346-466 3 Highlands TX BYTWTXXAHMD  903C ONVOY, LLC - TX 560   2020-12-26   
346-466 4 Highlands TX BYTWTXXAHMD  903C ONVOY, LLC - TX 560   2020-12-26   
346-466 5 Highlands TX BYTWTXXARMD  624H ONVOY SPECTRUM, LLC 560   2021-07-09   
346-466 7 Highlands TX BYTWTXXAHMD  903C ONVOY, LLC - TX 560   2021-02-25   
346-466 8 Highlands TX BYTWTXXAHMD  903C ONVOY, LLC - TX 560   2021-11-25   
346-466 9 Highlands TX HSTNTXJAXLX  177F PEERLESS NETWORK OF TEXAS, LLC - TX 560   2021-01-11   

Last updated: Wed, 18 Jun 2025 02:30:00 UTC

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