773 Area Code

Area code 773 is an Illinois area code that covers Chicago and part of its surrounding area, except the downtown area. Area code 773 overlays the area code of 872.

Illinois has area codes of 217, 224, 309, 312, 331, 447, 464, 618, 630, 708, 730, 773, 779, 815, 847, 872.

Counties that Use 773 Area Code

All Cities & Towns that Use 773 Area Code

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Where is 773 area code?

The following map shows the coverage of 773 area code. The coverage area is shown in green.

Area code map of the entire U.S.