Home Postcode finder SA Ashbourne Ashbourne postcode SA Ashbourne is a locality in South Australia covered by postcode 5157. Postcode 5157 State or territory South Australia (SA) Region Sa Subs Near 2 Add a free Ashbourne business listing More business listings in Ashbourne Businesses in AshbourneEastern Fleurieu R-12 SchoolMain Rd · 08 85366135 Common questionsWhat is the postcode for Ashbourne?Ashbourne, SA has the postcode 5157.What state is Ashbourne in?Ashbourne is in South Australia (SA).Does postcode 5157 cover more than one suburb?Yes. Postcode 5157 covers 8 localities, so the postcode alone does not identify Ashbourne. Browse other postcodes in South Australia, or widen the search to every Australian postcode.