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: 285

NPA-NXX BLOCK Rate Centre Region Switch OCN LATA LIR Eff date Disc date
217-285 A Pittsfield IL PTFDILXCDS0  1015 FRONTIER NORTH, INC. - IL 376      
217-285 0 Pittsfield IL   073H TELNYX LLC 376   2022-08-12   
217-285 1 Pittsfield IL   1015 FRONTIER NORTH, INC. - IL 376      
217-285 2 Pittsfield IL   1015 FRONTIER NORTH, INC. - IL 376      
217-285 3 Pittsfield IL   6265 UNITED STATES CELLULAR - IL 376   2020-05-04   
217-285 4 Pittsfield IL   1015 FRONTIER NORTH, INC. - IL 376      
217-285 5 Pittsfield IL   1015 FRONTIER NORTH, INC. - IL 376      
217-285 6 Pittsfield IL   1015 FRONTIER NORTH, INC. - IL 376      
217-285 7 Pittsfield IL   7091 ADAMS TELSYSTEMS, INC. 376   2009-01-30   
217-285 8 Pittsfield IL   939H COMMIO, LLC 376   2022-10-23   
217-285 9 Pittsfield IL   1015 FRONTIER NORTH, INC. - IL 376      

Last updated: Tue, 13 Jan 2026 21:50:02 UTC

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