Collinsville, IL

The ZIP code 62234 belongs to Collinsville, Illinois, a suburb of St. Louis. This area is known for being home to the Collinsville Horseradish Festival, celebrating the town's horseradish production. Landmarks in ZIP code 62234 include the World's Largest Catsup Bottle, an iconic water tower, and the Cahokia Mounds State Historic Site, a UNESCO World Heritage Site featuring ancient Native American mounds.