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: 886

NPA-NXX BLOCK Rate Centre Region Switch OCN LATA LIR Eff date Disc date
346-886 A Richmond-Rosenberg TX   903C ONVOY, LLC - TX 560   2025-10-25   
346-886 0 Richmond-Rosenberg TX   903C ONVOY, LLC - TX 560   2025-10-25   
346-886 1 Richmond-Rosenberg TX   6534 NEW CINGULAR WIRELESS PCS, LLC - IL 560   2025-10-27   
346-886 2 Richmond-Rosenberg TX   6534 NEW CINGULAR WIRELESS PCS, LLC - IL 560   2025-10-27   
346-886 3 Richmond-Rosenberg TX   6534 NEW CINGULAR WIRELESS PCS, LLC - IL 560   2025-10-27   

Last updated: Thu, 20 Nov 2025 13:34:34 UTC

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