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: 943

NPA-NXX BLOCK Rate Centre Region Switch OCN LATA LIR Eff date Disc date
346-943 A Richmond-Rosenberg TX   903C ONVOY, LLC - TX 560   2026-10-12   
346-943 0 Richmond-Rosenberg TX   903C ONVOY, LLC - TX 560   2026-10-12   

Last updated: Tue, 01 Sep 2026 00:40:05 UTC

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