Home Postcode finder SA Mundic Creek Mundic Creek postcode SA Mundic Creek is a locality in South Australia covered by postcode 5340. Postcode 5340 State or territory South Australia (SA) Region SA Outer Suburbs Add a free Mundic Creek business listing Be the first listing in Mundic Creek Common questionsWhat is the postcode for Mundic Creek?Mundic Creek, SA has the postcode 5340.What state is Mundic Creek in?Mundic Creek is in South Australia (SA).Does postcode 5340 cover more than one suburb?Yes. Postcode 5340 covers 6 localities, so the postcode alone does not identify Mundic Creek. Browse other postcodes in South Australia, or widen the search to every Australian postcode.