ZIP code · Saint Charles · Missouri · United States

ZIP code 63301 — Saint Charles

Name: Saint Charles (63301)
Address: Missouri, 63301, US

ZIP code 63301 serves Saint Charles, Missouri.

Postal code: 63301
Single source Value from one source, not cross-checked.
City: Saint Charles
County: Saint Charles
State: Missouri
Country: United States
Coordinates: 38.8014, -90.5065 — precision precise (locality)
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Nearby localities

63302Saint Charles
63303Saint Charles
63304Saint Charles

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