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: 335

NPA-NXX BLOCK Rate Centre Region Switch OCN LATA LIR Eff date Disc date
447-335 A Mattoon IL   6534 NEW CINGULAR WIRELESS PCS, LLC - IL 976   2026-11-06   
447-335 8 Mattoon IL   6534 NEW CINGULAR WIRELESS PCS, LLC - IL 976   2026-11-06   
447-335 9 Mattoon IL   6534 NEW CINGULAR WIRELESS PCS, LLC - IL 976   2026-11-06   

Last updated: Sat, 10 Oct 2026 15:24:20 UTC

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