Local Calling Guide

Area code/prefix search

Search area code/prefix (NPA/NXX)
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Switch: FNGVILXARS0

NPA-NXX BLOCK Rate Centre Region OCN LATA LIR Eff date Disc date
815-456 A Franklin Grove IL 1036 FRONTIER NORTH, INC. - IL 364      
815-456 0 Franklin Grove IL 1036 FRONTIER NORTH, INC. - IL 364      
815-456 2 Franklin Grove IL 1036 FRONTIER NORTH, INC. - IL 364      
815-456 3 Franklin Grove IL 1036 FRONTIER NORTH, INC. - IL 364      

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

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