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: 872

NPA-NXX BLOCK Rate Centre Region Switch OCN LATA LIR Eff date Disc date
346-872 A Spring TX   6534 NEW CINGULAR WIRELESS PCS, LLC - IL 560   2025-07-25   
346-872 8 Spring TX   6534 NEW CINGULAR WIRELESS PCS, LLC - IL 560   2025-07-25   
346-872 9 Spring TX   6534 NEW CINGULAR WIRELESS PCS, LLC - IL 560   2025-07-25   

Last updated: Wed, 18 Jun 2025 02:30:00 UTC

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