Local Calling Guide

Area code/prefix search

Search area code/prefix (NPA/NXX)
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NPA: 447 [Rate centres in NPA 447] [Dial plan for NPA 447]

NXX: 329

NPA-NXX BLOCK Rate Centre Region Switch OCN LATA LIR Eff date Disc date
447-329 A Charleston IL MTONILXCX0X  6534 NEW CINGULAR WIRELESS PCS, LLC - IL 976   2026-01-01   
447-329 7 Charleston IL MTONILXCX0X  6534 NEW CINGULAR WIRELESS PCS, LLC - IL 976   2026-01-01   
447-329 8 Charleston IL MTONILXCX0X  6534 NEW CINGULAR WIRELESS PCS, LLC - IL 976   2026-01-01   
447-329 9 Charleston IL MTONILXCX0X  6534 NEW CINGULAR WIRELESS PCS, LLC - IL 976   2026-01-01   

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

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