Home Postcode finder SA Yatina Yatina postcode SA Yatina is a locality in South Australia covered by postcode 5422. Postcode 5422 State or territory South Australia (SA) Region SA Outer Suburbs Add a free Yatina business listing Be the first listing in Yatina Common questionsWhat is the postcode for Yatina?Yatina, SA has the postcode 5422.What state is Yatina in?Yatina is in South Australia (SA).Does postcode 5422 cover more than one suburb?Yes. Postcode 5422 covers 13 localities, so the postcode alone does not identify Yatina. Browse other postcodes in South Australia, or widen the search to every Australian postcode.