Local Calling Guide

Area code/prefix search

Search area code/prefix (NPA/NXX)
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Sandwich, IL

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NPA-NXX BLOCK Switch OCN LATA LIR Eff date Disc date
815-786 5 RVDLILBDAMD  6333 CELLCO PARTNERSHIP DBA VERIZON WIRELESS - IL 358      
815-786 6 SNDWILXADS0  1015 FRONTIER NORTH, INC. - IL 358      
815-786 7 SNDWILXADS0  1015 FRONTIER NORTH, INC. - IL 358      
815-786 8 SNDWILXADS0  1015 FRONTIER NORTH, INC. - IL 358      
815-786 9 SNDWILXADS0  1015 FRONTIER NORTH, INC. - IL 358      

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Last updated: Thu, 05 Feb 2026 23:41:55 UTC

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