Local Calling Guide

Area code/prefix search

Search area code/prefix (NPA/NXX)
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NPA: 217 [Rate centres in NPA 217] [Dial plan for NPA 217]

NXX: 531

NPA-NXX BLOCK Rate Centre Region Switch OCN LATA LIR Eff date Disc date
217-531 A Champaign-Urbana IL CHMPILCPXSY  829J PAETEC ITEL, LLC 370   2024-12-10   

Last updated: Wed, 18 Jun 2025 02:30:00 UTC

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