Home Postcode finder SA Wrattonbully Wrattonbully postcode SA Wrattonbully is a locality in South Australia covered by postcode 5271. Postcode 5271 State or territory South Australia (SA) Region SA Outer Suburbs Add a free Wrattonbully business listing Be the first listing in Wrattonbully Common questionsWhat is the postcode for Wrattonbully?Wrattonbully, SA has the postcode 5271.What state is Wrattonbully in?Wrattonbully is in South Australia (SA).Does postcode 5271 cover more than one suburb?Yes. Postcode 5271 covers 18 localities, so the postcode alone does not identify Wrattonbully. Browse other postcodes in South Australia, or widen the search to every Australian postcode.