Home Postcodes by state SA American River American River postcode SA American River is a locality in South Australia covered by postcode 5221. Postcode 5221 State or territory South Australia (SA) Region Sa Subs Near 2 Council area Kangaroo Island Council area based on Australian Bureau of Statistics data (ASGS Edition 3), CC BY 4.0. Add a free American River business listing Be the first listing in American River Suburbs near American RiverStraight-line distance between locality centres.Ballast HeadSA 5221 · 1.2 kmSapphiretownSA 5222 · 1.5 kmMustonSA 5221 · 1.8 kmIsland BeachSA 5222 · 3.2 kmPelican LagoonSA 5222 · 4.2 kmBrown BeachSA 5222 · 7.8 kmDudley WestSA 5222 · 8.6 kmBaudin BeachSA 5222 · 8.8 kmAmerican BeachSA 5222 · 10.0 kmHainesSA 5223 · 11.0 kmNepean BaySA 5223 · 12.0 kmDudley EastSA 5222 · 14.5 kmDistances to every suburb around American River Also in postcode 5221Ballast HeadSA 5221MustonSA 5221 Common questionsWhat is the postcode for American River?American River, SA has the postcode 5221.What state is American River in?American River is in South Australia (SA).What council is American River in?American River is in the Kangaroo Island local government area.Does postcode 5221 cover more than one suburb?Yes. Postcode 5221 covers 3 localities, so the postcode alone does not identify American River.What suburbs are near American River?The closest are Ballast Head (1.2 km), Sapphiretown (1.5 km), Muston (1.8 km), Island Beach (3.2 km) and Pelican Lagoon (4.2 km). Distances are straight lines between locality centres. Browse other postcodes in South Australia, or widen the search to every Australian postcode.