Home Postcode finder SA College Park College Park postcode SA College Park is a locality in South Australia covered by postcode 5069. Postcode 5069 State or territory South Australia (SA) Region Sa Subs Near 2 Add a free College Park business listing Be the first listing in College Park Common questionsWhat is the postcode for College Park?College Park, SA has the postcode 5069.What state is College Park in?College Park is in South Australia (SA).Does postcode 5069 cover more than one suburb?Yes. Postcode 5069 covers 6 localities, so the postcode alone does not identify College Park. Browse other postcodes in South Australia, or widen the search to every Australian postcode.