Home Postcode finder SA Minnipa Minnipa postcode SA Minnipa 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 Minnipa business listing Be the first listing in Minnipa Common questionsWhat is the postcode for Minnipa?Minnipa, SA has the postcode 5654.What state is Minnipa in?Minnipa 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 Minnipa. Browse other postcodes in South Australia, or widen the search to every Australian postcode.