Local Calling Guide

Area code/prefix search

Search area code/prefix (NPA/NXX)
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Switch: CYCYILXERS0

NPA-NXX BLOCK Rate Centre Region OCN LATA LIR Eff date Disc date
618-676 A Clay City IL 1015 FRONTIER NORTH, INC. - IL 978      
618-676 1 Clay City IL 1015 FRONTIER NORTH, INC. - IL 978      

Last updated: Tue, 31 Mar 2026 13:56:49 UTC

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