City · Ohio · United States
Waterloo, OH — ZIP codes
1 ZIP code · Lawrence County
- City
- Waterloo
- County
- Lawrence
- State
- Ohio
- Country
- United States
- Postal code
- 45688Single source
- Coordinates
- 38.7182, -82.5174 View on OpenStreetMap
ZIP codes (1)
| Postal code | Place name | Verification |
|---|---|---|
| 45688 | Waterloo | 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.