Home Postcode finder SA Wongulla Wongulla postcode SA Wongulla is a locality in South Australia covered by postcode 5238. Postcode 5238 State or territory South Australia (SA) Region Sa Subs Near 2 Add a free Wongulla business listing Be the first listing in Wongulla Common questionsWhat is the postcode for Wongulla?Wongulla, SA has the postcode 5238.What state is Wongulla in?Wongulla is in South Australia (SA).Does postcode 5238 cover more than one suburb?Yes. Postcode 5238 covers 31 localities, so the postcode alone does not identify Wongulla. Browse other postcodes in South Australia, or widen the search to every Australian postcode.