City · Kansas · United States
Vassar, KS — ZIP codes
1 ZIP code · Osage County
- City
- Vassar
- County
- Osage
- State
- Kansas
- Country
- United States
- Postal code
- 66543Single source
- Coordinates
- 38.6419, -95.6012 View on OpenStreetMap
ZIP codes (1)
| Postal code | Place name | Verification |
|---|---|---|
| 66543 | Vassar | 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.