Home Postcode finder SA Trott Park Trott Park postcode SA Trott Park is a locality in South Australia covered by postcode 5158. Postcode 5158 State or territory South Australia (SA) Region Sa Subs Near 1 Add a free Trott Park business listing Be the first listing in Trott Park Common questionsWhat is the postcode for Trott Park?Trott Park, SA has the postcode 5158.What state is Trott Park in?Trott Park is in South Australia (SA).Does postcode 5158 cover more than one suburb?Yes. Postcode 5158 covers 4 localities, so the postcode alone does not identify Trott Park. Browse other postcodes in South Australia, or widen the search to every Australian postcode.