Local Calling Guide

Area code/prefix search

Search area code/prefix (NPA/NXX)
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Switch: KRNKILXERS0

NPA-NXX BLOCK Rate Centre Region OCN LATA LIR Eff date Disc date
618-634 A Karnak IL 1015 FRONTIER NORTH, INC. - IL 362      
618-634 2 Karnak IL 1015 FRONTIER NORTH, INC. - IL 362      
618-634 3 Karnak IL 1015 FRONTIER NORTH, INC. - IL 362      
618-634 9 Karnak IL 1015 FRONTIER NORTH, INC. - IL 362      

Last updated: Thu, 16 Oct 2025 03:04:18 UTC

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