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: 322

NPA-NXX BLOCK Rate Centre Region Switch OCN LATA LIR Eff date Disc date
447-322 A Mattoon IL   145J TERRA NOVA TELECOM INC. 976   2025-08-17   
447-322 2 Mattoon IL   145J TERRA NOVA TELECOM INC. 976   2025-08-17   
447-322 7 Mattoon IL   6534 NEW CINGULAR WIRELESS PCS, LLC - IL 976   2026-03-28   
447-322 8 Mattoon IL   6534 NEW CINGULAR WIRELESS PCS, LLC - IL 976   2026-03-28   
447-322 9 Mattoon IL   6534 NEW CINGULAR WIRELESS PCS, LLC - IL 976   2026-03-28   

Last updated: Tue, 31 Mar 2026 13:56:49 UTC

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