Home Postcodes by state SA Muston Muston postcode SA Muston 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 Muston business listing Be the first listing in Muston Suburbs near MustonStraight-line distance between locality centres.American RiverSA 5221 · 1.8 kmSapphiretownSA 5222 · 2.2 kmBallast HeadSA 5221 · 3.0 kmIsland BeachSA 5222 · 3.8 kmPelican LagoonSA 5222 · 4.5 kmBrown BeachSA 5222 · 9.0 kmDudley WestSA 5222 · 9.4 kmHainesSA 5223 · 9.6 kmBaudin BeachSA 5222 · 10.2 kmNepean BaySA 5223 · 11.3 kmAmerican BeachSA 5222 · 11.5 kmDudley EastSA 5222 · 16.2 kmDistances to every suburb around Muston Also in postcode 5221American RiverSA 5221Ballast HeadSA 5221 Common questionsWhat is the postcode for Muston?Muston, SA has the postcode 5221.What state is Muston in?Muston is in South Australia (SA).What council is Muston in?Muston 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 Muston.What suburbs are near Muston?The closest are American River (1.8 km), Sapphiretown (2.2 km), Ballast Head (3.0 km), Island Beach (3.8 km) and Pelican Lagoon (4.5 km). Distances are straight lines between locality centres. Browse other postcodes in South Australia, or widen the search to every Australian postcode.