Olney, MO

ZIP code 63370 corresponds to the city of O'Fallon, Missouri. This bustling city is home to the popular O'Fallon Sports Park, offering various recreational facilities, picnic areas, and walking trails. Additionally, residents and visitors can enjoy the historic Zumwalt's Fort and the Omer Dames War Memorial Park. With a growing population and a thriving community, O'Fallon is a vibrant destination within the St. Louis metropolitan area.