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: 201

NPA-NXX BLOCK Rate Centre Region Switch OCN LATA LIR Eff date Disc date
447-201 A Champaign-Urbana IL CHMPILCPXFY  515J IP HORIZON LLC 370      
447-201 0 Champaign-Urbana IL CHMPILCPOMD  224C ONVOY, LLC 370   2024-07-29   
447-201 1 Champaign-Urbana IL CHMPILCPXFY  515J IP HORIZON LLC 370   2021-04-24   
447-201 2 Champaign-Urbana IL CHMPILCPXIX  6534 NEW CINGULAR WIRELESS PCS, LLC - IL 370   2024-09-28   
447-201 8 Champaign-Urbana IL CHMPILCPOMD  224C ONVOY, LLC 370   2024-07-29   

Last updated: Thu, 16 Oct 2025 03:04:18 UTC

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