Ballwin, MO

ZIP code 63021 is located in the western suburbs of St. Louis, Missouri. This area is known for its family-friendly neighborhoods, top-rated schools, and convenient shopping centers such as West County Center. Residents can enjoy outdoor activities at Castlewood State Park and the Hidden Valley Ski Resort. With its charming community atmosphere and easy access to major highways, 63021 is a desirable place to call home.