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: 236

NPA-NXX BLOCK Rate Centre Region Switch OCN LATA LIR Eff date Disc date
447-236 A Champaign-Urbana IL CHMPILCPXUY  616J LEAP TELECOM, LLC 370   2024-11-21   
447-236 0 Champaign-Urbana IL CHMPILCPXUY  616J LEAP TELECOM, LLC 370   2024-11-21   

Last updated: Sun, 07 Dec 2025 22:02:11 UTC

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