📋 Illinois Area Code Summary

State
Illinois
Total Area Codes
14
Major Cities
9
Timezone(s)
Central

📞 All Illinois Area Codes 14

217 Springfield 224 Evanston 309 Peoria 312 Chicago 331 Aurora 447 Champaign 618 East St. Louis 630 Aurora 708 Cicero 773 Chicago 779 Rockford 815 Rockford 847 Evanston 872 Chicago

🏙️ Cities in Illinois 9

Aurora 331 Champaign 447 Chicago 312 Cicero 708 East St. Louis 618 Evanston 224 Peoria 309 Rockford 779 Springfield 217

ℹ️ About Illinois Area Codes

Illinois has 14 active area codes covering 9 major city/cities including Aurora, Champaign, Chicago, Cicero, East St. Louis, and more.

Area codes in Illinois operate in the Central Time Zone.

Click any area code above to see full details including location map, timezone, caller reports, and related codes.