Home Postcode finder SA Warramboo Warramboo postcode SA Warramboo is a locality in South Australia covered by postcode 5650. Postcode 5650 State or territory South Australia (SA) Region SA Outer Suburbs Add a free Warramboo business listing Be the first listing in Warramboo Common questionsWhat is the postcode for Warramboo?Warramboo, SA has the postcode 5650.What state is Warramboo in?Warramboo is in South Australia (SA).Does postcode 5650 cover more than one suburb?Yes. Postcode 5650 covers 3 localities, so the postcode alone does not identify Warramboo. Browse other postcodes in South Australia, or widen the search to every Australian postcode.