Home Postcode finder SA Worlds End Creek Worlds End Creek postcode SA Worlds End Creek is a locality in South Australia covered by postcode 5381. Postcode 5381 State or territory South Australia (SA) Region Sa Subs Near 1 Add a free Worlds End Creek business listing Be the first listing in Worlds End Creek Common questionsWhat is the postcode for Worlds End Creek?Worlds End Creek, SA has the postcode 5381.What state is Worlds End Creek in?Worlds End Creek is in South Australia (SA).Does postcode 5381 cover more than one suburb?Yes. Postcode 5381 covers 9 localities, so the postcode alone does not identify Worlds End Creek. Browse other postcodes in South Australia, or widen the search to every Australian postcode.