Home Postcode finder SA Rostrevor Rostrevor postcode SA Rostrevor is a locality in South Australia covered by postcode 5073. Postcode 5073 State or territory South Australia (SA) Region Sa Subs Near 2 Add a free Rostrevor business listing More business listings in Rostrevor Businesses in RostrevorNorwood Morialta High SchoolMorialta Road West · 08 83650455Stradbroke Junior Primary School73 Koonga Ave · 08 83372861Stradbroke Primary School71-73 Koonga Ave · 08 83372861 Common questionsWhat is the postcode for Rostrevor?Rostrevor, SA has the postcode 5073.What state is Rostrevor in?Rostrevor is in South Australia (SA).Does postcode 5073 cover more than one suburb?Yes. Postcode 5073 covers 4 localities, so the postcode alone does not identify Rostrevor. Browse other postcodes in South Australia, or widen the search to every Australian postcode.