Home Postcode finder SA Kings Park Kings Park postcode SA Kings Park is a locality in South Australia covered by postcode 5034. Postcode 5034 State or territory South Australia (SA) Region Adelaide Add a free Kings Park business listing Be the first listing in Kings Park Common questionsWhat is the postcode for Kings Park?Kings Park, SA has the postcode 5034.What state is Kings Park in?Kings Park is in South Australia (SA).Does postcode 5034 cover more than one suburb?Yes. Postcode 5034 covers 5 localities, so the postcode alone does not identify Kings Park. Browse other postcodes in South Australia, or widen the search to every Australian postcode.