City · Ohio · United States
Port William, OH — ZIP codes
1 ZIP code · Clinton County
- City
- Port William
- County
- Clinton
- State
- Ohio
- Country
- United States
- Postal code
- 45164Single source
- Coordinates
- 39.5514, -83.7881 View on OpenStreetMap
- Area code
- 937
ZIP codes (1)
| Postal code | Place name | Verification |
|---|---|---|
| 45164 | Port William | 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 · U.S. Census Bureau (ACS) · U.S. Census Bureau · NOAA NCEI. Last generated : 2026-08-21. Report an error.