Home Postcode finder SA Kybunga Kybunga postcode SA Kybunga is a locality in South Australia covered by postcode 5453. Postcode 5453 State or territory South Australia (SA) Region Sa Subs Near 1 Add a free Kybunga business listing Be the first listing in Kybunga Common questionsWhat is the postcode for Kybunga?Kybunga, SA has the postcode 5453.What state is Kybunga in?Kybunga is in South Australia (SA).Does postcode 5453 cover more than one suburb?Yes. Postcode 5453 covers 16 localities, so the postcode alone does not identify Kybunga. Browse other postcodes in South Australia, or widen the search to every Australian postcode.