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: ARLHILAHDS1

NPA-NXX BLOCK Rate Centre Region OCN LATA LIR Eff date Disc date
224-232 A Arlington Heights IL 9329 ILLINOIS BELL TEL CO 358      
224-625 A Arlington Heights IL 9329 ILLINOIS BELL TEL CO 358      
847-222 A Arlington Heights IL 9329 ILLINOIS BELL TEL CO 358      
847-253 A Arlington Heights IL 9329 ILLINOIS BELL TEL CO 358      
847-255 A Arlington Heights IL 9329 ILLINOIS BELL TEL CO 358      
847-259 A Arlington Heights IL 9329 ILLINOIS BELL TEL CO 358      
847-342 A Arlington Heights IL 9329 ILLINOIS BELL TEL CO 358      
847-368 A Arlington Heights IL 9329 ILLINOIS BELL TEL CO 358      
847-392 A Arlington Heights IL 9329 ILLINOIS BELL TEL CO 358      
847-394 A Arlington Heights IL 9329 ILLINOIS BELL TEL CO 358      
847-398 A Arlington Heights IL 9329 ILLINOIS BELL TEL CO 358      
847-506 A Arlington Heights IL 9329 ILLINOIS BELL TEL CO 358      
847-577 A Arlington Heights IL 9329 ILLINOIS BELL TEL CO 358      
847-590 A Arlington Heights IL 9329 ILLINOIS BELL TEL CO 358      
847-618 A Arlington Heights IL 9329 ILLINOIS BELL TEL CO 358      
847-632 A Arlington Heights IL 9329 ILLINOIS BELL TEL CO 358      
847-670 A Arlington Heights IL 9329 ILLINOIS BELL TEL CO 358      
847-788 A Arlington Heights IL 9329 ILLINOIS BELL TEL CO 358      
847-797 A Arlington Heights IL 9329 ILLINOIS BELL TEL CO 358      
847-818 A Arlington Heights IL 9329 ILLINOIS BELL TEL CO 358      
847-870 A Arlington Heights IL 9329 ILLINOIS BELL TEL CO 358      

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

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