Home Postcode finder SA Bordertown South Bordertown South postcode SA Bordertown South is a locality in South Australia covered by postcode 5268. Postcode 5268 State or territory South Australia (SA) Region SA Outer Suburbs Add a free Bordertown South business listing Be the first listing in Bordertown South Common questionsWhat is the postcode for Bordertown South?Bordertown South, SA has the postcode 5268.What state is Bordertown South in?Bordertown South is in South Australia (SA).Does postcode 5268 cover more than one suburb?Yes. Postcode 5268 covers 8 localities, so the postcode alone does not identify Bordertown South. Browse other postcodes in South Australia, or widen the search to every Australian postcode.