Home Postcode finder SA Winulta Winulta postcode SA Winulta is a locality in South Australia covered by postcode 5555. Postcode 5555 State or territory South Australia (SA) Region Sa Subs Near 1 Add a free Winulta business listing Be the first listing in Winulta Common questionsWhat is the postcode for Winulta?Winulta, SA has the postcode 5555.What state is Winulta in?Winulta is in South Australia (SA).Does postcode 5555 cover more than one suburb?Yes. Postcode 5555 covers 11 localities, so the postcode alone does not identify Winulta. Browse other postcodes in South Australia, or widen the search to every Australian postcode.