Home Postcode finder SA Medindie Gardens Medindie Gardens postcode SA Medindie Gardens is a locality in South Australia covered by postcode 5081. Postcode 5081 State or territory South Australia (SA) Region Sa Subs Near 2 Add a free Medindie Gardens business listing Be the first listing in Medindie Gardens Common questionsWhat is the postcode for Medindie Gardens?Medindie Gardens, SA has the postcode 5081.What state is Medindie Gardens in?Medindie Gardens is in South Australia (SA).Does postcode 5081 cover more than one suburb?Yes. Postcode 5081 covers 6 localities, so the postcode alone does not identify Medindie Gardens. Browse other postcodes in South Australia, or widen the search to every Australian postcode.