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.

Morton Grove, IL

NPA-NXX BLOCK Switch OCN LATA LIR Eff date Disc date
847-470 A MRGVILMGDS0  9329 ILLINOIS BELL TEL CO 358      
847-581 A MRGVILMGDS0  9329 ILLINOIS BELL TEL CO 358      
847-581 0   9329 ILLINOIS BELL TEL CO 358      
847-581 1   9329 ILLINOIS BELL TEL CO 358      
847-581 2   9329 ILLINOIS BELL TEL CO 358      
847-581 3   9329 ILLINOIS BELL TEL CO 358      
847-581 4   9329 ILLINOIS BELL TEL CO 358      
847-581 5   145J TERRA NOVA TELECOM INC. 358   2024-08-22   
847-581 6   224C ONVOY, LLC 358   2009-05-14   
847-581 7   460K FIRST COMMUNICATIONS, LLC 358   2008-04-25   
847-581 8   9329 ILLINOIS BELL TEL CO 358      
847-581 9   9329 ILLINOIS BELL TEL CO 358      
847-583 A MRGVILMGDS0  9329 ILLINOIS BELL TEL CO 358      
847-663 A MRGVILMGDS0  9329 ILLINOIS BELL TEL CO 358      
847-663 0   9329 ILLINOIS BELL TEL CO 358      
847-663 1   9329 ILLINOIS BELL TEL CO 358      
847-663 2   9329 ILLINOIS BELL TEL CO 358      
847-663 3   9329 ILLINOIS BELL TEL CO 358      
847-663 4   829J PAETEC ITEL, LLC 358   2005-10-29   
847-663 5   9329 ILLINOIS BELL TEL CO 358      
847-663 6   9329 ILLINOIS BELL TEL CO 358      
847-663 7   9329 ILLINOIS BELL TEL CO 358      
847-663 8   9329 ILLINOIS BELL TEL CO 358      
847-663 9   9329 ILLINOIS BELL TEL CO 358      
847-965 A MRGVILMGDS0  9329 ILLINOIS BELL TEL CO 358      
847-966 A MRGVILMGDS0  9329 ILLINOIS BELL TEL CO 358      
847-967 A MRGVILMGDS0  9329 ILLINOIS BELL TEL CO 358      

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

Sponsored by: Execulink Telecom

Like this site? We accept donations via PayPal.