Local Calling Guide

Area code/prefix search

Search area code/prefix (NPA/NXX)
  • Effective date searches are available only for US area codes. Our sources for non-US NPA-NXX data do not provide this information.
  • If you want to search an entire area code regardless of activity, leave both the next and past days fields set to zero.

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: Tue, 13 Jan 2026 21:50:02 UTC

Sponsored by: LES.NET

Like this site? We accept donations via PayPal.