Home Postcode finder SA Kirton Point Kirton Point postcode SA Kirton Point is a locality in South Australia covered by postcode 5606. Postcode 5606 State or territory South Australia (SA) Region SA Outer Suburbs Add a free Kirton Point business listing Be the first listing in Kirton Point Common questionsWhat is the postcode for Kirton Point?Kirton Point, SA has the postcode 5606.What state is Kirton Point in?Kirton Point is in South Australia (SA).Does postcode 5606 cover more than one suburb?Yes. Postcode 5606 covers 2 localities, so the postcode alone does not identify Kirton Point. Browse other postcodes in South Australia, or widen the search to every Australian postcode.