Postcode 5221 (SA)
Postcode 5221 in SA is in the federal division of Mayo, the state electorate of Mawson and Kangaroo Island Council. It covers Ballast Head, Muston and American River.
Postcode areas are ABS approximations (POA) of Australia Post postcodes, so results near an edge are indicative.
Federal electorates
| Division of Mayo | >99% of postcode 5221 |
State electorates
| Mawson (SA state electorate) | >99% of postcode 5221 |
Local council areas
| Kangaroo Island Council | >99% of postcode 5221 |
Suburbs in postcode 5221
| Suburb | Federal electorate | State electorate | Council |
|---|---|---|---|
| Ballast Head SA | Mayo | Mawson | Kangaroo Island Council |
| Muston SA | Mayo | Mawson | Kangaroo Island Council |
| American River SA | Mayo | Mawson | Kangaroo Island Council |
Questions
What federal electorate is postcode 5221 in?
Postcode 5221 is in the federal division of Mayo.
What state electorate is postcode 5221 in?
It is in the state electorate of Mawson.
What council is postcode 5221 in?
It is in Kangaroo Island Council.
Which suburbs are in postcode 5221?
Ballast Head, Muston and American River.
Why can one postcode be in several electorates?
Postcodes are drawn by Australia Post for mail delivery. Electorates and councils are drawn by electoral and local-government authorities, so the boundaries do not line up. Use the finder for an exact address.
← All postcodes · Find My Electorates
Federal boundaries: Australian Electoral Commission (as at the 2025 federal election). State and council boundaries: incorporates or developed using Administrative Boundaries © Geoscape Australia licensed under CC BY 4.0.