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: 881

NPA-NXX BLOCK Rate Centre Region Switch OCN LATA LIR Eff date Disc date
346-881 A Mont Belvieu TX   004F BANDWIDTH.COM CLEC, LLC - TX 560   2025-09-26   
346-881 0 Mont Belvieu TX   004F BANDWIDTH.COM CLEC, LLC - TX 560   2025-09-26   

Last updated: Mon, 15 Sep 2025 02:24:40 UTC

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