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: 667

NPA-NXX BLOCK Rate Centre Region Switch OCN LATA LIR Eff date Disc date
217-667 A Mindale IL GLDNILXCDS0  0976 ADAMS TEL. COOP. 376      

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

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