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: 608

NPA-NXX BLOCK Rate Centre Region Switch OCN LATA LIR Eff date Disc date
217-608 A Hillsboro IL MTONILXC1MD  6115 LEVEL 3 COMMUNICATIONS, LLC - IL 976      
217-608 0 Hillsboro IL   197H COMPUTER TECHNIQUES, INC. - IL 976   2017-12-08   
217-608 1 Hillsboro IL   073H TELNYX LLC 976   2022-08-19   
217-608 2 Hillsboro IL   145J TERRA NOVA TELECOM INC. 976   2025-08-02   
217-608 3 Hillsboro IL   7136 TELEPORT COMMUNICATIONS AMERICA, LLC - IL 976   2017-04-28   
217-608 4 Hillsboro IL   6115 LEVEL 3 COMMUNICATIONS, LLC - IL 976   2017-09-14   
217-608 5 Hillsboro IL   7196 MCIMETRO ACCESS TRANSMISSION SERVICES LLC - IL 976   2018-10-02   

Last updated: Thu, 29 Jan 2026 14:35:03 UTC

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