Home Postcode finder SA Mount Compass Mount Compass postcode SA Mount Compass is a locality in South Australia covered by postcode 5210. Postcode 5210 State or territory South Australia (SA) Region Sa Subs Near 2 Add a free Mount Compass business listing More business listings in Mount Compass Businesses in Mount CompassMt Compass Area SchoolThe School Rd · 08 85568219 Common questionsWhat is the postcode for Mount Compass?Mount Compass, SA has the postcode 5210.What state is Mount Compass in?Mount Compass is in South Australia (SA).Does postcode 5210 cover more than one suburb?Yes. Postcode 5210 covers 3 localities, so the postcode alone does not identify Mount Compass. Browse other postcodes in South Australia, or widen the search to every Australian postcode.