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: 483

NPA-NXX BLOCK Rate Centre Region Switch OCN LATA LIR Eff date Disc date
217-483 A Chatham IL CHHMILXCDS0  1015 FRONTIER NORTH, INC. - IL 374      
217-483 0 Chatham IL   063E PEERLESS NETWORK OF ILLINOIS, LLC - IL 374   2015-10-30   
217-483 1 Chatham IL   1015 FRONTIER NORTH, INC. - IL 374      
217-483 2 Chatham IL   1015 FRONTIER NORTH, INC. - IL 374      
217-483 3 Chatham IL   1015 FRONTIER NORTH, INC. - IL 374      
217-483 4 Chatham IL   1015 FRONTIER NORTH, INC. - IL 374      
217-483 5 Chatham IL   1015 FRONTIER NORTH, INC. - IL 374      
217-483 6 Chatham IL   1015 FRONTIER NORTH, INC. - IL 374      
217-483 7 Chatham IL   1015 FRONTIER NORTH, INC. - IL 374      
217-483 8 Chatham IL   1015 FRONTIER NORTH, INC. - IL 374      
217-483 9 Chatham IL   1015 FRONTIER NORTH, INC. - IL 374      

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

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