Illinois area codes
Illinois has 17 area codes in our list.
Showing 17 of 17
Frequently asked questions
How many area codes does Illinois have?
Our list has 17 area codes for Illinois: 217, 224, 309, 312, 331, 447, 464, 618, 630, 708, 730, 773, 779, 815, 847, 861 and 872.