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: ALGNILAQDS0

NPA-NXX BLOCK Rate Centre Region OCN LATA LIR Eff date Disc date
847-458 A Algonquin IL 9329 ILLINOIS BELL TEL CO 358      
847-458 0 Algonquin IL 9329 ILLINOIS BELL TEL CO 358      
847-458 1 Algonquin IL 9329 ILLINOIS BELL TEL CO 358      
847-458 2 Algonquin IL 9329 ILLINOIS BELL TEL CO 358      
847-458 4 Algonquin IL 9329 ILLINOIS BELL TEL CO 358      
847-458 5 Algonquin IL 9329 ILLINOIS BELL TEL CO 358      
847-458 6 Algonquin IL 9329 ILLINOIS BELL TEL CO 358   1999-12-03   
847-458 7 Algonquin IL 9329 ILLINOIS BELL TEL CO 358      
847-458 8 Algonquin IL 9329 ILLINOIS BELL TEL CO 358      
847-458 9 Algonquin IL 9329 ILLINOIS BELL TEL CO 358      
847-532 A Algonquin IL 9329 ILLINOIS BELL TEL CO 358      
847-532 6 Algonquin IL 9329 ILLINOIS BELL TEL CO 358   2008-06-12   
847-532 7 Algonquin IL 9329 ILLINOIS BELL TEL CO 358   2008-06-12   
847-658 A Algonquin IL 9329 ILLINOIS BELL TEL CO 358      
847-854 A Algonquin IL 9329 ILLINOIS BELL TEL CO 358      
847-960 7 Algonquin IL 9329 ILLINOIS BELL TEL CO 358   1999-12-03   

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

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