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 BLTNILXDXPX  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 NHLDILXCRS0  1015 FRONTIER NORTH, INC. - IL 366      
217-445 4 BLTNILXDXMX  224C ONVOY, LLC 366   2024-01-01   
217-445 7 BLTNILXDXZX  508J CENTURYLINK COMMUNICATIONS, LLC 366   2014-08-13   
217-445 8 BLTNILXDXHY  624H ONVOY SPECTRUM, LLC 366   2024-04-08   
217-984 A BLTNILATVMD  6115 LEVEL 3 COMMUNICATIONS, LLC - IL 366      
217-984 4 BLTNILATVMD  6115 LEVEL 3 COMMUNICATIONS, LLC - IL 366      

Last updated: Sat, 10 Oct 2026 15:24:20 UTC

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