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.
  • If you want to search an entire area code regardless of activity, leave both the next and past days fields set to zero.

Switch: EVTNILEVDS0

NPA-NXX BLOCK Rate Centre Region OCN LATA LIR Eff date Disc date
224-364 A Evanston IL 9329 ILLINOIS BELL TEL CO 358      
773-273 A Chicago Zone 02-Rogers Park IL 9329 ILLINOIS BELL TEL CO 358      
847-316 A Evanston IL 9329 ILLINOIS BELL TEL CO 358      
847-328 A Evanston IL 9329 ILLINOIS BELL TEL CO 358      
847-332 A Evanston IL 9329 ILLINOIS BELL TEL CO 358      
847-424 A Evanston IL 9329 ILLINOIS BELL TEL CO 358      
847-425 A Evanston IL 9329 ILLINOIS BELL TEL CO 358      
847-467 A Evanston IL 9329 ILLINOIS BELL TEL CO 358      
847-475 A Evanston IL 9329 ILLINOIS BELL TEL CO 358      
847-491 A Evanston IL 9329 ILLINOIS BELL TEL CO 358      
847-492 A Evanston IL 9329 ILLINOIS BELL TEL CO 358      
847-570 A Evanston IL 9329 ILLINOIS BELL TEL CO 358      
847-733 A Evanston IL 9329 ILLINOIS BELL TEL CO 358      
847-864 A Evanston IL 9329 ILLINOIS BELL TEL CO 358      
847-866 A Evanston IL 9329 ILLINOIS BELL TEL CO 358      
847-869 A Evanston IL 9329 ILLINOIS BELL TEL CO 358      

Last updated: Thu, 29 Jan 2026 14:35:03 UTC

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