City · Ohio · United States
Defiance, OH — ZIP codes
1 ZIP code · Defiance County
- City
- Defiance
- County
- Defiance
- State
- Ohio
- Country
- United States
- Postal code
- 43512Single source
- Coordinates
- 41.2799, -84.3626 View on OpenStreetMap
ZIP codes (1)
| Postal code | Place name | Verification |
|---|---|---|
| 43512 | 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.