ZIP code · West Alton · Missouri · United States
ZIP code 63386 — West Alton
ZIP code 63386 serves West Alton, Missouri.
- Postal code
- 63386Single source Value from one source, not cross-checked.
- City
- West Alton
- County
- Saint Charles
- State
- Missouri
- Country
- United States
- Coordinates
- 38.8758, -90.2384 — precision precise (locality)
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About this page
US ZIP codes have five digits. They are postal routing areas, not administrative boundaries: a ZIP can span more than one city or county, and the city shown is the primary USPS name for that code.
GeoNames. Data generated on 2026-08-21. Methodology · Report an error on this page