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.

OCN: 7196 MCIMETRO ACCESS TRANSMISSION SERVICES LLC - IL

<< 1 2 3 4 5 6 7 8 9

NPA-NXX BLOCK Rate Centre Region Switch LATA LIR Eff date Disc date
847-983 7 Skokie IL EGVGILIFDS0  358   2010-04-29   
847-990 A Libertyville IL EGVGILIFDS0  358      
847-990 9 Libertyville IL EGVGILIFDS0  358      
847-993 A Park Ridge IL EGVGILIFDS0  358      
847-993 0 Park Ridge IL EGVGILIFDS0  358      

<< 1 2 3 4 5 6 7 8 9

Last updated: Wed, 04 Mar 2026 03:00:52 UTC

Sponsored by: LES.NET

Like this site? We accept donations via PayPal.