Home Postcode finder SA Douglas Point South Douglas Point South postcode SA Douglas Point South 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 Douglas Point South business listing Be the first listing in Douglas Point South Common questionsWhat is the postcode for Douglas Point South?Douglas Point South, SA has the postcode 5600.What state is Douglas Point South in?Douglas Point South 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 Douglas Point South. Browse other postcodes in South Australia, or widen the search to every Australian postcode.