Local Calling Guide

Area code/prefix search

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

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NPA-NXX BLOCK Switch OCN LATA LIR Eff date Disc date
708-947 0 HLSDILHDDS0  9329 ILLINOIS BELL TEL CO 358      
708-947 1 HLSDILHDDS0  9329 ILLINOIS BELL TEL CO 358      
708-947 2 HLSDILHDDS0  9329 ILLINOIS BELL TEL CO 358      
708-947 3 HLSDILHDDS0  9329 ILLINOIS BELL TEL CO 358      
708-947 4 HLSDILHDDS0  9329 ILLINOIS BELL TEL CO 358      
708-947 5 HLSDILHDDS0  9329 ILLINOIS BELL TEL CO 358      
708-947 6 CHCGILWBXDZ  984E BANDWIDTH.COM CLEC, LLC - IL 358   2016-08-18   
708-947 7 HLSDILHDDS0  9329 ILLINOIS BELL TEL CO 358      
708-947 8 HLSDILHDDS0  9329 ILLINOIS BELL TEL CO 358      
708-947 9 HLSDILHDDS0  9329 ILLINOIS BELL TEL CO 358      

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

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