Postcode 5221
American River +2 · Kangaroo Island, South Australia
5221 is the postcode of American River, Ballast Head, Muston in Kangaroo Island, South Australia, Australia.
- Postcode
- 5221
- Local area
- Kangaroo Island
- State
- South Australia
- Country
- Australia
3 places with postcode 5221
| Place | Local area | Location |
|---|---|---|
| American River | Kangaroo Island | -35.773, 137.778 |
| Ballast Head | Kangaroo Island | -35.757, 137.769 |
| Muston | Kangaroo Island | -35.790, 137.757 |
Near Adelaide
The nearest major city is Adelaide, about 120 km away.
Nearby postcodes
Frequently asked questions
Which places use postcode 5221?
American River, Ballast Head, Muston.
Which local area and state is 5221 in?
Kangaroo Island, South Australia, Australia.
What is the nearest major city to 5221?
Adelaide, about 120 km away.
Source: GeoNames postal codes (CC BY 4.0), geonames.org, retrieved 2026-10-22. Place coordinates are approximate. Check with the national postal service before sending anything valuable.