Local Calling Guide

Area code/prefix search

Search area code/prefix (NPA/NXX)
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Switch: SHRDILXARS0

NPA-NXX BLOCK Rate Centre Region OCN LATA LIR Eff date Disc date
815-496 A Sheridan IL 1015 FRONTIER NORTH, INC. - IL 358      
815-496 1 Sheridan IL 1015 FRONTIER NORTH, INC. - IL 358      
815-496 2 Sheridan IL 1015 FRONTIER NORTH, INC. - IL 358      
815-496 3 Sheridan IL 1015 FRONTIER NORTH, INC. - IL 358      
815-496 9 Sheridan IL 1015 FRONTIER NORTH, INC. - IL 358      

Last updated: Thu, 20 Nov 2025 13:34:34 UTC

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