Home Postcode finder SA Cultana Cultana postcode SA Cultana is a locality in South Australia covered by postcode 5600. Postcode 5600 State or territory South Australia (SA) Region SA Outer Suburbs Add a free Cultana business listing Be the first listing in Cultana Common questionsWhat is the postcode for Cultana?Cultana, SA has the postcode 5600.What state is Cultana in?Cultana is in South Australia (SA).Does postcode 5600 cover more than one suburb?Yes. Postcode 5600 covers 13 localities, so the postcode alone does not identify Cultana. Browse other postcodes in South Australia, or widen the search to every Australian postcode.