Home Postcode finder SA Flinders Chase Flinders Chase postcode SA Flinders Chase is a locality in South Australia covered by postcode 5223. Postcode 5223 State or territory South Australia (SA) Region Sa Subs Near 2 Add a free Flinders Chase business listing Be the first listing in Flinders Chase Common questionsWhat is the postcode for Flinders Chase?Flinders Chase, SA has the postcode 5223.What state is Flinders Chase in?Flinders Chase is in South Australia (SA).Does postcode 5223 cover more than one suburb?Yes. Postcode 5223 covers 30 localities, so the postcode alone does not identify Flinders Chase. Browse other postcodes in South Australia, or widen the search to every Australian postcode.