Home Postcode finder SA Kingston Park Kingston Park postcode SA Kingston Park is a locality in South Australia covered by postcode 5049. Postcode 5049 State or territory South Australia (SA) Region Sa Subs Near 1 Add a free Kingston Park business listing Be the first listing in Kingston Park Common questionsWhat is the postcode for Kingston Park?Kingston Park, SA has the postcode 5049.What state is Kingston Park in?Kingston Park is in South Australia (SA).Does postcode 5049 cover more than one suburb?Yes. Postcode 5049 covers 5 localities, so the postcode alone does not identify Kingston Park. Browse other postcodes in South Australia, or widen the search to every Australian postcode.