Home Postcode finder SA Buckleboo Buckleboo postcode SA Buckleboo is a locality in South Australia covered by postcode 5641. Postcode 5641 State or territory South Australia (SA) Region SA Outer Suburbs Add a free Buckleboo business listing Be the first listing in Buckleboo Common questionsWhat is the postcode for Buckleboo?Buckleboo, SA has the postcode 5641.What state is Buckleboo in?Buckleboo is in South Australia (SA).Does postcode 5641 cover more than one suburb?Yes. Postcode 5641 covers 13 localities, so the postcode alone does not identify Buckleboo. Browse other postcodes in South Australia, or widen the search to every Australian postcode.