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: BLISILBIDS0

NPA-NXX BLOCK Rate Centre Region OCN LATA LIR Eff date Disc date
708-239 A Blue Island IL 9329 ILLINOIS BELL TEL CO 358      
708-293 A Blue Island IL 9329 ILLINOIS BELL TEL CO 358      
708-371 A Blue Island IL 9329 ILLINOIS BELL TEL CO 358      
708-385 A Blue Island IL 9329 ILLINOIS BELL TEL CO 358      
708-388 A Blue Island IL 9329 ILLINOIS BELL TEL CO 358      
708-389 A Blue Island IL 9329 ILLINOIS BELL TEL CO 358      
708-396 A Blue Island IL 9329 ILLINOIS BELL TEL CO 358      
708-489 A Blue Island IL 9329 ILLINOIS BELL TEL CO 358      
708-597 A Blue Island IL 9329 ILLINOIS BELL TEL CO 358      
708-824 A Blue Island IL 9329 ILLINOIS BELL TEL CO 358      

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

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