Home Postcode finder SA Claypans Claypans postcode SA Claypans 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 Claypans business listing Be the first listing in Claypans Common questionsWhat is the postcode for Claypans?Claypans, SA has the postcode 5238.What state is Claypans in?Claypans 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 Claypans. Browse other postcodes in South Australia, or widen the search to every Australian postcode.