Home Postcode finder SA Cootra Cootra postcode SA Cootra 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 Cootra business listing Be the first listing in Cootra Common questionsWhat is the postcode for Cootra?Cootra, SA has the postcode 5650.What state is Cootra in?Cootra 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 Cootra. Browse other postcodes in South Australia, or widen the search to every Australian postcode.