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.

Morrisonville, IL

NPA-NXX BLOCK Switch OCN LATA LIR Eff date Disc date
217-526 A MRSVILXCRS0  1037 ILLINOIS CONSOLIDATED TEL. CO. 976      
217-914 A MTONILXCZMD  846F MEDIACOM TELEPHONY OF ILLINOIS, LLC - IL 976      
217-914 1   846F MEDIACOM TELEPHONY OF ILLINOIS, LLC - IL 976   2010-08-14   
217-914 2   6115 LEVEL 3 COMMUNICATIONS, LLC - IL 976   2023-01-20   
217-914 6   7136 TELEPORT COMMUNICATIONS AMERICA, LLC - IL 976   2023-02-01   

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

Sponsored by: FiberConX Communications Ltd.

Like this site? We accept donations via PayPal.