Home Postcode finder SA Beltana Beltana postcode SA Beltana is a locality in South Australia covered by postcode 5730. Postcode 5730 State or territory South Australia (SA) Region SA Outer Suburbs Add a free Beltana business listing Be the first listing in Beltana Common questionsWhat is the postcode for Beltana?Beltana, SA has the postcode 5730.What state is Beltana in?Beltana is in South Australia (SA).Does postcode 5730 cover more than one suburb?Yes. Postcode 5730 covers 3 localities, so the postcode alone does not identify Beltana. Browse other postcodes in South Australia, or widen the search to every Australian postcode.