Home Postcode finder SA Mansfield Park Mansfield Park postcode SA Mansfield Park is a locality in South Australia covered by postcode 5012. Postcode 5012 State or territory South Australia (SA) Region Sa Subs Near 1 Add a free Mansfield Park business listing More business listings in Mansfield Park Businesses in Mansfield ParkMansfield Park Primary SchoolHenry St · 08 84451594St Patrick's Primary School33a Dudley St · 08 84451400 Common questionsWhat is the postcode for Mansfield Park?Mansfield Park, SA has the postcode 5012.What state is Mansfield Park in?Mansfield Park is in South Australia (SA).Does postcode 5012 cover more than one suburb?Yes. Postcode 5012 covers 4 localities, so the postcode alone does not identify Mansfield Park. Browse other postcodes in South Australia, or widen the search to every Australian postcode.