Home Postcode finder SA Polda Polda postcode SA Polda is a locality in South Australia covered by postcode 5670. Postcode 5670 State or territory South Australia (SA) Region SA Outer Suburbs Add a free Polda business listing Be the first listing in Polda Common questionsWhat is the postcode for Polda?Polda, SA has the postcode 5670.What state is Polda in?Polda is in South Australia (SA).Does postcode 5670 cover more than one suburb?Yes. Postcode 5670 covers 11 localities, so the postcode alone does not identify Polda. Browse other postcodes in South Australia, or widen the search to every Australian postcode.