Local Calling Guide

Area code/prefix search

Search area code/prefix (NPA/NXX)
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Middletown-New Holland, IL

NPA-NXX BLOCK Switch OCN LATA LIR Eff date Disc date
217-445 A NHLDILXCRS0  1015 FRONTIER NORTH, INC. - IL 366      
217-445 0   846F MEDIACOM TELEPHONY OF ILLINOIS, LLC - IL 366   2010-03-15   
217-445 1   145J TERRA NOVA TELECOM INC. 366   2022-04-09   
217-445 2   1015 FRONTIER NORTH, INC. - IL 366      
217-445 4   224C ONVOY, LLC 366   2024-01-01   
217-445 7   508J CENTURYLINK COMMUNICATIONS, LLC 366   2014-08-13   
217-445 8   624H ONVOY SPECTRUM, LLC 366   2024-04-08   
217-984 A BLTNILATVMD  6115 LEVEL 3 COMMUNICATIONS, LLC - IL 366      
217-984 4   6115 LEVEL 3 COMMUNICATIONS, LLC - IL 366      

Last updated: Thu, 29 Jan 2026 14:35:03 UTC

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