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: 346

NPA-NXX BLOCK Rate Centre Region Switch OCN LATA LIR Eff date Disc date
346-346 A Friendswood TX HSTQTXRG6MD  473F USFON, INC. - TX 560      
346-346 0 Friendswood TX HSTNTXYADS5  903C ONVOY, LLC - TX 560   2024-03-09   
346-346 1 Friendswood TX HSTNTXYAHMD  073H TELNYX LLC 560   2024-03-24   
346-346 2 Friendswood TX HSTQTXRG6MD  473F USFON, INC. - TX 560   2023-03-27   
346-346 3 Friendswood TX HSTQTXRG6MD  473F USFON, INC. - TX 560   2023-03-27   
346-346 4 Friendswood TX HSTQTXRG6MD  473F USFON, INC. - TX 560   2023-03-27   
346-346 5 Friendswood TX HSTQTXRG6MD  473F USFON, INC. - TX 560   2023-03-27   
346-346 6 Friendswood TX HSTQTXRG6MD  473F USFON, INC. - TX 560   2023-03-27   
346-346 7 Friendswood TX HSTQTXRG6MD  473F USFON, INC. - TX 560   2023-03-27   
346-346 8 Friendswood TX HSTQTXRG6MD  473F USFON, INC. - TX 560   2023-03-27   
346-346 9 Friendswood TX HSTQTXRG6MD  473F USFON, INC. - TX 560   2023-03-27   

Last updated: Sat, 05 Apr 2025 03:03:23 UTC

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