Home Postcode finder SA Barunga Gap Barunga Gap postcode SA Barunga Gap is a locality in South Australia covered by postcode 5520. Postcode 5520 State or territory South Australia (SA) Region Sa Subs Near 1 Add a free Barunga Gap business listing Be the first listing in Barunga Gap Common questionsWhat is the postcode for Barunga Gap?Barunga Gap, SA has the postcode 5520.What state is Barunga Gap in?Barunga Gap is in South Australia (SA).Does postcode 5520 cover more than one suburb?Yes. Postcode 5520 covers 6 localities, so the postcode alone does not identify Barunga Gap. Browse other postcodes in South Australia, or widen the search to every Australian postcode.