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.
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Switch: SKOKILSKDS0

NPA-NXX BLOCK Rate Centre Region OCN LATA LIR Eff date Disc date
224-251 A Skokie IL 9329 ILLINOIS BELL TEL CO 358      
224-592 A Skokie IL 9329 ILLINOIS BELL TEL CO 358      
847-329 A Skokie IL 9329 ILLINOIS BELL TEL CO 358      
847-568 A Skokie IL 9329 ILLINOIS BELL TEL CO 358      
847-673 A Skokie IL 9329 ILLINOIS BELL TEL CO 358      
847-674 A Skokie IL 9329 ILLINOIS BELL TEL CO 358      
847-675 A Skokie IL 9329 ILLINOIS BELL TEL CO 358      
847-676 A Skokie IL 9329 ILLINOIS BELL TEL CO 358      
847-677 A Skokie IL 9329 ILLINOIS BELL TEL CO 358      
847-679 A Skokie IL 9329 ILLINOIS BELL TEL CO 358      
847-763 A Skokie IL 9329 ILLINOIS BELL TEL CO 358      
847-933 A Skokie IL 9329 ILLINOIS BELL TEL CO 358      
847-982 A Skokie IL 9329 ILLINOIS BELL TEL CO 358      

Last updated: Thu, 01 Jan 2026 03:59:49 UTC

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