Home Postcode finder SA Culburra Culburra postcode SA Culburra is a locality in South Australia covered by postcode 5261. Postcode 5261 State or territory South Australia (SA) Region Sa Subs Near 2 Add a free Culburra business listing Be the first listing in Culburra Common questionsWhat is the postcode for Culburra?Culburra, SA has the postcode 5261.What state is Culburra in?Culburra is in South Australia (SA).Does postcode 5261 cover more than one suburb?Yes. Postcode 5261 covers 5 localities, so the postcode alone does not identify Culburra. Browse other postcodes in South Australia, or widen the search to every Australian postcode.