Home Postcode finder SA Yattalunga Yattalunga postcode SA Yattalunga is a locality in South Australia covered by postcode 5114. Postcode 5114 State or territory South Australia (SA) Region Sa Subs Near 1 Add a free Yattalunga business listing Be the first listing in Yattalunga Common questionsWhat is the postcode for Yattalunga?Yattalunga, SA has the postcode 5114.What state is Yattalunga in?Yattalunga is in South Australia (SA).Does postcode 5114 cover more than one suburb?Yes. Postcode 5114 covers 12 localities, so the postcode alone does not identify Yattalunga. Browse other postcodes in South Australia, or widen the search to every Australian postcode.