Home Postcode finder SA Minvalara Minvalara postcode SA Minvalara is a locality in South Australia covered by postcode 5422. Postcode 5422 State or territory South Australia (SA) Region SA Outer Suburbs Add a free Minvalara business listing Be the first listing in Minvalara Common questionsWhat is the postcode for Minvalara?Minvalara, SA has the postcode 5422.What state is Minvalara in?Minvalara is in South Australia (SA).Does postcode 5422 cover more than one suburb?Yes. Postcode 5422 covers 13 localities, so the postcode alone does not identify Minvalara. Browse other postcodes in South Australia, or widen the search to every Australian postcode.