Home Postcode finder SA Minburra Minburra postcode SA Minburra is a locality in South Australia covered by postcode 5431. Postcode 5431 State or territory South Australia (SA) Region SA Outer Suburbs Add a free Minburra business listing Be the first listing in Minburra Common questionsWhat is the postcode for Minburra?Minburra, SA has the postcode 5431.What state is Minburra in?Minburra is in South Australia (SA).Does postcode 5431 cover more than one suburb?Yes. Postcode 5431 covers 14 localities, so the postcode alone does not identify Minburra. Browse other postcodes in South Australia, or widen the search to every Australian postcode.