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: RVGVILRGDS0

NPA-NXX BLOCK Rate Centre Region OCN LATA LIR Eff date Disc date
708-452 A River Grove IL 9329 ILLINOIS BELL TEL CO 358      
708-453 A River Grove IL 9329 ILLINOIS BELL TEL CO 358      
708-456 A River Grove IL 9329 ILLINOIS BELL TEL CO 358      
708-583 A River Grove IL 9329 ILLINOIS BELL TEL CO 358      
773-589 A River Grove IL 9329 ILLINOIS BELL TEL CO 358      
773-625 A River Grove IL 9329 ILLINOIS BELL TEL CO 358      
847-288 A River Grove IL 9329 ILLINOIS BELL TEL CO 358      
847-451 A River Grove IL 9329 ILLINOIS BELL TEL CO 358      
847-455 A River Grove IL 9329 ILLINOIS BELL TEL CO 358      

Last updated: Tue, 13 Jan 2026 21:50:02 UTC

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