Geographic Regions and Area Codes

Area code 224 is located in northeastern Illinois and covers several key cities and counties. The major cities include Elgin, Waukegan, Arlington Heights, Evanston, and Schaumburg. This area code spans across Cook County, Lake County, Kane County, McHenry County, and DuPage County. The region is part of the north and northwest suburbs of Chicago, making it a bustling area for business activities.

Nearby area codes include: