Home Postcode finder SA Cungena Cungena postcode SA Cungena is a locality in South Australia covered by postcode 5660. Postcode 5660 State or territory South Australia (SA) Region SA Outer Suburbs Add a free Cungena business listing Be the first listing in Cungena Common questionsWhat is the postcode for Cungena?Cungena, SA has the postcode 5660.What state is Cungena in?Cungena is in South Australia (SA).Does postcode 5660 cover more than one suburb?Yes. Postcode 5660 covers 2 localities, so the postcode alone does not identify Cungena. Browse other postcodes in South Australia, or widen the search to every Australian postcode.