Local Calling Guide

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

NXX: 474

NPA-NXX BLOCK Rate Centre Region Switch OCN LATA LIR Eff date Disc date
346-474 A Friendswood TX HSTNTXYADS5  903C ONVOY, LLC - TX 560      
346-474 0 Friendswood TX   004F BANDWIDTH.COM CLEC, LLC - TX 560   2022-09-22   
346-474 1 Friendswood TX   073H TELNYX LLC 560   2022-04-02   
346-474 2 Friendswood TX   516J TON80 COMMUNICATIONS, LLC 560   2021-06-07   
346-474 3 Friendswood TX   624H ONVOY SPECTRUM, LLC 560   2021-07-09   
346-474 4 Friendswood TX   903C ONVOY, LLC - TX 560   2021-04-04   
346-474 5 Friendswood TX   903C ONVOY, LLC - TX 560   2021-04-04   
346-474 6 Friendswood TX   903C ONVOY, LLC - TX 560   2021-04-04   
346-474 7 Friendswood TX   903C ONVOY, LLC - TX 560   2021-04-04   
346-474 8 Friendswood TX   624H ONVOY SPECTRUM, LLC 560   2022-02-24   
346-474 9 Friendswood TX   177F PEERLESS NETWORK OF TEXAS, LLC - TX 560   2021-06-20   

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

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