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: 921

NPA-NXX BLOCK Rate Centre Region Switch OCN LATA LIR Eff date Disc date
346-921 A Bammel TX   903C ONVOY, LLC - TX 560   2026-05-02   
346-921 0 Bammel TX   903C ONVOY, LLC - TX 560   2026-05-02   

Last updated: Tue, 31 Mar 2026 13:56:49 UTC

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