Olney, MO

ZIP code 63370 is located in St. Charles County, Missouri. This area is home to the town of O'Fallon, a bustling suburb with a mix of residential neighborhoods and commercial establishments. Important landmarks in ZIP code 63370 include The Pointe at O'Fallon, a popular sports and recreation complex, as well as Fort Zumwalt Park, which offers walking trails, playgrounds, and a scenic lake for outdoor activities.