Home Postcode finder SA Malinong Malinong postcode SA Malinong is a locality in South Australia covered by postcode 5259. Postcode 5259 State or territory South Australia (SA) Region Sa Subs Near 2 Add a free Malinong business listing Be the first listing in Malinong Common questionsWhat is the postcode for Malinong?Malinong, SA has the postcode 5259.What state is Malinong in?Malinong is in South Australia (SA).Does postcode 5259 cover more than one suburb?Yes. Postcode 5259 covers 12 localities, so the postcode alone does not identify Malinong. Browse other postcodes in South Australia, or widen the search to every Australian postcode.