Area Code

Cities Covered by 312 Area Code

Algonquin Arlington Heights Aurora Barrington Bensenville
Blue Island Brookfield Buffalo Grove Champaign Chicago
Cicero Clarendon Hills Country Club Hills Crystal Lake Darien
Deerfield Des Plaines Elmwood Park Evanston Glenview
Harwood Heights Hinsdale Indianapolis Lake Zurich Lincolnshire
Lombard Medinah Northbrook Oak Brook Oak Lawn
Oak Park Park Ridge Plainfield Prospect Heights Rolling Meadows
Schaumburg Villa Park Western Springs Wheeling Willowbrook

Related Area Codes

217, 312, 618, 630, 708, 773, 815, 224, 847, 317, 331, 608