Home Postcode finder SA Kingoonya Kingoonya postcode SA Kingoonya is a locality in South Australia covered by postcode 5710. Postcode 5710 State or territory South Australia (SA) Region SA Outer Suburbs Add a free Kingoonya business listing Be the first listing in Kingoonya Common questionsWhat is the postcode for Kingoonya?Kingoonya, SA has the postcode 5710.What state is Kingoonya in?Kingoonya is in South Australia (SA).Does postcode 5710 cover more than one suburb?Yes. Postcode 5710 covers 11 localities, so the postcode alone does not identify Kingoonya. Browse other postcodes in South Australia, or widen the search to every Australian postcode.