Home Postcode finder SA Bundey Bundey postcode SA Bundey is a locality in South Australia covered by postcode 5320. Postcode 5320 State or territory South Australia (SA) Region SA Outer Suburbs Add a free Bundey business listing Be the first listing in Bundey Common questionsWhat is the postcode for Bundey?Bundey, SA has the postcode 5320.What state is Bundey in?Bundey is in South Australia (SA).Does postcode 5320 cover more than one suburb?Yes. Postcode 5320 covers 13 localities, so the postcode alone does not identify Bundey. Browse other postcodes in South Australia, or widen the search to every Australian postcode.