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.

Switch: WNTKILWNDS0

NPA-NXX BLOCK Rate Centre Region OCN LATA LIR Eff date Disc date
847-242 A Winnetka IL 9329 ILLINOIS BELL TEL CO 358      
847-242 0 Winnetka IL 9329 ILLINOIS BELL TEL CO 358      
847-242 6 Winnetka IL 9329 ILLINOIS BELL TEL CO 358      
847-242 9 Winnetka IL 9329 ILLINOIS BELL TEL CO 358      
847-441 A Winnetka IL 9329 ILLINOIS BELL TEL CO 358      
847-446 A Winnetka IL 9329 ILLINOIS BELL TEL CO 358      
847-501 A Winnetka IL 9329 ILLINOIS BELL TEL CO 358      
847-501 1 Winnetka IL 9329 ILLINOIS BELL TEL CO 358      
847-501 2 Winnetka IL 9329 ILLINOIS BELL TEL CO 358      
847-501 3 Winnetka IL 9329 ILLINOIS BELL TEL CO 358      
847-501 4 Winnetka IL 9329 ILLINOIS BELL TEL CO 358      
847-501 5 Winnetka IL 9329 ILLINOIS BELL TEL CO 358      
847-501 6 Winnetka IL 9329 ILLINOIS BELL TEL CO 358      
847-501 7 Winnetka IL 9329 ILLINOIS BELL TEL CO 358      
847-501 8 Winnetka IL 9329 ILLINOIS BELL TEL CO 358      
847-501 9 Winnetka IL 9329 ILLINOIS BELL TEL CO 358      
847-784 A Winnetka IL 9329 ILLINOIS BELL TEL CO 358      
847-784 0 Winnetka IL 9329 ILLINOIS BELL TEL CO 358      
847-784 1 Winnetka IL 9329 ILLINOIS BELL TEL CO 358      
847-784 2 Winnetka IL 9329 ILLINOIS BELL TEL CO 358      
847-784 3 Winnetka IL 9329 ILLINOIS BELL TEL CO 358      
847-784 6 Winnetka IL 9329 ILLINOIS BELL TEL CO 358      
847-784 7 Winnetka IL 9329 ILLINOIS BELL TEL CO 358   2000-08-15   
847-784 8 Winnetka IL 9329 ILLINOIS BELL TEL CO 358      
847-784 9 Winnetka IL 9329 ILLINOIS BELL TEL CO 358      
847-835 A Winnetka IL 9329 ILLINOIS BELL TEL CO 358      
847-881 2 Winnetka IL 9329 ILLINOIS BELL TEL CO 358   2001-12-13   

Last updated: Tue, 16 Apr 2024 01:38:01 UTC

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