Local Calling Guide

Area code/prefix search

Search area code/prefix (NPA/NXX)
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Highland Park, IL

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NPA-NXX BLOCK Switch OCN LATA LIR Eff date Disc date
847-926 5 HGPKILHPRP0  9329 ILLINOIS BELL TEL CO 358      
847-926 6 HGPKILHPRP0  9329 ILLINOIS BELL TEL CO 358      
847-926 7 CHCGILNEXJX  318J COMCAST IP PHONE, LLC 358   2010-09-14   
847-926 8 HGPKILHPRP0  9329 ILLINOIS BELL TEL CO 358      
847-926 9 HGPKILHPRP0  9329 ILLINOIS BELL TEL CO 358      

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Last updated: Tue, 16 Jun 2026 00:09:45 UTC

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