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: 931

NPA-NXX BLOCK Rate Centre Region Switch OCN LATA LIR Eff date Disc date
346-931 A Porter TX   6534 NEW CINGULAR WIRELESS PCS, LLC - IL 560   2026-09-04   
346-931 8 Porter TX   6534 NEW CINGULAR WIRELESS PCS, LLC - IL 560   2026-09-04   
346-931 9 Porter TX   6534 NEW CINGULAR WIRELESS PCS, LLC - IL 560   2026-09-04   

Last updated: Sat, 01 Aug 2026 03:19:33 UTC

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