City · Oregon · United States
Monmouth, OR — ZIP codes
1 ZIP code · Polk County
- City
- Monmouth
- County
- Polk
- State
- Oregon
- Country
- United States
- Postal code
- 97361Single source
- Coordinates
- 44.8377, -123.2512 View on OpenStreetMap
- Area codes
- 503, 971 (from the nearest rate centre)
ZIP codes (1)
| Postal code | Place name | Verification |
|---|---|---|
| 97361 | Monmouth | 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.