Home Postcode finder SA Moonta Mines Moonta Mines postcode SA Moonta Mines is a locality in South Australia covered by postcode 5558. Postcode 5558 State or territory South Australia (SA) Region Sa Subs Near 1 Add a free Moonta Mines business listing Be the first listing in Moonta Mines Common questionsWhat is the postcode for Moonta Mines?Moonta Mines, SA has the postcode 5558.What state is Moonta Mines in?Moonta Mines is in South Australia (SA).Does postcode 5558 cover more than one suburb?Yes. Postcode 5558 covers 14 localities, so the postcode alone does not identify Moonta Mines. Browse other postcodes in South Australia, or widen the search to every Australian postcode.