Granite City, IL

ZIP code 62040 encompasses Granite City, Illinois, with a population of around 29,500 people. This area is known for its historical landmarks, such as the Granite City Steel Works, once the largest U.S. steel mill. Other notable sites include Wilson Park, a beautiful community park with a lake and sports facilities, and the Granite City Cinema. The ZIP code is located in Madison County, just north of St. Louis, Missouri.