Collinsville, IL

The ZIP code 62234 belongs to Collinsville, Illinois, located east of St. Louis. This area is home to the Cahokia Mounds State Historic Site, a UNESCO World Heritage Site known for its ancient Native American earthworks. Additionally, the Collinsville Catsup Bottle Water Tower, a 170-foot-tall water tower shaped like a catsup bottle, is a well-known local landmark.