Home Postcode finder SA Narrung Narrung postcode SA Narrung 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 Narrung business listing Be the first listing in Narrung Common questionsWhat is the postcode for Narrung?Narrung, SA has the postcode 5259.What state is Narrung in?Narrung 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 Narrung. Browse other postcodes in South Australia, or widen the search to every Australian postcode.