City · Iowa · United States
Magnolia, IA — ZIP codes
1 ZIP code · Harrison County
- City
- Magnolia
- County
- Harrison
- State
- Iowa
- Country
- United States
- Postal code
- 51550Single source
- Coordinates
- 41.6921, -95.8742 View on OpenStreetMap
- Area code
- 712
ZIP codes (1)
| Postal code | Place name | Verification |
|---|---|---|
| 51550 | Magnolia | 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.