Home Postcode finder SA Baldina Baldina postcode SA Baldina is a locality in South Australia covered by postcode 5417. Postcode 5417 State or territory South Australia (SA) Region SA Outer Suburbs Add a free Baldina business listing Be the first listing in Baldina Common questionsWhat is the postcode for Baldina?Baldina, SA has the postcode 5417.What state is Baldina in?Baldina is in South Australia (SA).Does postcode 5417 cover more than one suburb?Yes. Postcode 5417 covers 10 localities, so the postcode alone does not identify Baldina. Browse other postcodes in South Australia, or widen the search to every Australian postcode.