City · Missouri · United States
Defiance, MO — ZIP codes
1 ZIP code · Saint Charles County
- City
- Defiance
- County
- Saint Charles
- State
- Missouri
- Country
- United States
- Postal code
- 63341Single source
- Coordinates
- 38.6616, -90.8302 View on OpenStreetMap
ZIP codes (1)
| Postal code | Place name | Verification |
|---|---|---|
| 63341 | Defiance | Single source |
Sources and verification
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. Last generated : 2026-08-21. Report an error.