Local Calling Guide

Area code/prefix search

Search area code/prefix (NPA/NXX)
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Ironton, OH

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NPA-NXX BLOCK Switch OCN LATA LIR Eff date Disc date
740-646 6 HLRDOHEJGT0  6534 NEW CINGULAR WIRELESS PCS, LLC - IL 324      
740-646 7 CLMBOH11X6Z  7836 MCIMETRO ACCESS TRANSMISSION SERVICES LLC - OH 324   2004-11-30   
740-646 8 HLRDOHEJGT0  6534 NEW CINGULAR WIRELESS PCS, LLC - IL 324   2006-01-28   
740-646 9 HLRDOHEJGT0  6534 NEW CINGULAR WIRELESS PCS, LLC - IL 324   2006-08-10   

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Last updated: Thu, 16 Jul 2026 02:21:55 UTC

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