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: 567

NPA-NXX BLOCK Rate Centre Region Switch OCN LATA LIR Eff date Disc date
217-567 A Tower Hill IL TWHLILXCRS0  1037 ILLINOIS CONSOLIDATED TEL. CO. 976      

Last updated: Wed, 20 Nov 2024 21:20:06 UTC

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