Home Postcode finder SA Sandy Creek Sandy Creek postcode SA Sandy Creek is a locality in South Australia covered by postcode 5350. Postcode 5350 State or territory South Australia (SA) Region Sa Subs Near 1 Add a free Sandy Creek business listing Be the first listing in Sandy Creek Common questionsWhat is the postcode for Sandy Creek?Sandy Creek, SA has the postcode 5350.What state is Sandy Creek in?Sandy Creek is in South Australia (SA).Does postcode 5350 cover more than one suburb?Yes. Postcode 5350 covers 2 localities, so the postcode alone does not identify Sandy Creek. Browse other postcodes in South Australia, or widen the search to every Australian postcode.