Home Postcode finder SA Gould Creek Gould Creek postcode SA Gould Creek is a locality in South Australia covered by postcode 5114. Postcode 5114 State or territory South Australia (SA) Region Sa Subs Near 1 Add a free Gould Creek business listing Be the first listing in Gould Creek Common questionsWhat is the postcode for Gould Creek?Gould Creek, SA has the postcode 5114.What state is Gould Creek in?Gould Creek is in South Australia (SA).Does postcode 5114 cover more than one suburb?Yes. Postcode 5114 covers 12 localities, so the postcode alone does not identify Gould Creek. Browse other postcodes in South Australia, or widen the search to every Australian postcode.