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: 677

NPA-NXX BLOCK Rate Centre Region Switch OCN LATA LIR Eff date Disc date
346-677 A Baytown TX HSTNTXJAXBY  965H FRACTEL, LLC 560      
346-677 0 Baytown TX   6701 AERIAL COMMUNICATIONS, INC. 560   2020-09-07   
346-677 1 Baytown TX   6701 AERIAL COMMUNICATIONS, INC. 560   2020-09-07   
346-677 2 Baytown TX   6701 AERIAL COMMUNICATIONS, INC. 560   2020-09-07   
346-677 3 Baytown TX   6701 AERIAL COMMUNICATIONS, INC. 560   2020-09-07   
346-677 4 Baytown TX   6701 AERIAL COMMUNICATIONS, INC. 560   2020-09-07   
346-677 5 Baytown TX   6701 AERIAL COMMUNICATIONS, INC. 560   2020-09-07   
346-677 6 Baytown TX   6701 AERIAL COMMUNICATIONS, INC. 560   2020-09-07   
346-677 7 Baytown TX   965H FRACTEL, LLC 560   2020-08-20   
346-677 8 Baytown TX   516J TON80 COMMUNICATIONS, LLC 560   2021-07-05   
346-677 9 Baytown TX   318J COMCAST IP PHONE, LLC 560   2021-08-30   

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

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