Home Postcode finder SA Cocata Cocata postcode SA Cocata is a locality in South Australia covered by postcode 5654. Postcode 5654 State or territory South Australia (SA) Region SA Outer Suburbs Add a free Cocata business listing Be the first listing in Cocata Common questionsWhat is the postcode for Cocata?Cocata, SA has the postcode 5654.What state is Cocata in?Cocata is in South Australia (SA).Does postcode 5654 cover more than one suburb?Yes. Postcode 5654 covers 4 localities, so the postcode alone does not identify Cocata. Browse other postcodes in South Australia, or widen the search to every Australian postcode.