Home Postcode finder SA Moonta Moonta postcode SA Moonta 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 business listing More business listings in Moonta Businesses in MoontaCountry Living Homes3-4 Blanche Terrace, Moonta SA 5558, Australia · 1300 805 505Moonta Area SchoolBlanche Terrace · 08 88252088 Common questionsWhat is the postcode for Moonta?Moonta, SA has the postcode 5558.What state is Moonta in?Moonta 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. Browse other postcodes in South Australia, or widen the search to every Australian postcode.