Home Postcode finder SA Naturi Naturi postcode SA Naturi is a locality in South Australia covered by postcode 5259. Postcode 5259 State or territory South Australia (SA) Region Sa Subs Near 2 Add a free Naturi business listing Be the first listing in Naturi Common questionsWhat is the postcode for Naturi?Naturi, SA has the postcode 5259.What state is Naturi in?Naturi is in South Australia (SA).Does postcode 5259 cover more than one suburb?Yes. Postcode 5259 covers 12 localities, so the postcode alone does not identify Naturi. Browse other postcodes in South Australia, or widen the search to every Australian postcode.