Local Calling Guide

Area code/prefix search

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

NPA-NXX BLOCK Switch OCN LATA LIR Eff date Disc date
309-707 A GENSILXD2MD  846F MEDIACOM TELEPHONY OF ILLINOIS, LLC - IL 634      
309-707 1 GENSILXD2MD  846F MEDIACOM TELEPHONY OF ILLINOIS, LLC - IL 634   2010-04-15   
309-707 7   145J TERRA NOVA TELECOM INC. 634   2025-06-01   
309-937 A CMBRILXDDS0  0983 CAMBRIDGE TEL. CO. 634      

Last updated: Sun, 01 Jun 2025 02:18:11 UTC

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