Local Calling Guide

Area code/prefix search

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

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NPA-NXX BLOCK Switch OCN LATA LIR Eff date Disc date
847-964 8 DRFDILDFDS0  9329 ILLINOIS BELL TEL CO 358   2002-08-20   
847-964 9 CHCGILNEXJX  318J COMCAST IP PHONE, LLC 358   2012-08-20   

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Last updated: Tue, 16 Apr 2024 01:38:01 UTC

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