Home Postcode finder SA Kiana Kiana postcode SA Kiana is a locality in South Australia covered by postcode 5607. Postcode 5607 State or territory South Australia (SA) Region SA Outer Suburbs Add a free Kiana business listing Be the first listing in Kiana Common questionsWhat is the postcode for Kiana?Kiana, SA has the postcode 5607.What state is Kiana in?Kiana is in South Australia (SA).Does postcode 5607 cover more than one suburb?Yes. Postcode 5607 covers 50 localities, so the postcode alone does not identify Kiana. Browse other postcodes in South Australia, or widen the search to every Australian postcode.