City · Oregon · United States
Monroe, OR — ZIP codes
1 ZIP code · Benton County
- City
- Monroe
- County
- Benton
- State
- Oregon
- Country
- United States
- Postal code
- 97456Single source
- Coordinates
- 44.3245, -123.3203 View on OpenStreetMap
- Area code
- 541
ZIP codes (1)
| Postal code | Place name | Verification |
|---|---|---|
| 97456 | Monroe | 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). Last generated : 2026-08-21. Report an error.