Home Postcode finder SA Flinders University Flinders University postcode SA Flinders University is a locality in South Australia covered by postcode 5042. Postcode 5042 State or territory South Australia (SA) Region Sa Subs Near 1 Add a free Flinders University business listing Be the first listing in Flinders University Common questionsWhat is the postcode for Flinders University?Flinders University, SA has the postcode 5042.What state is Flinders University in?Flinders University is in South Australia (SA).Does postcode 5042 cover more than one suburb?Yes. Postcode 5042 covers 5 localities, so the postcode alone does not identify Flinders University. Browse other postcodes in South Australia, or widen the search to every Australian postcode.