Home Postcode finder SA Burdett Burdett postcode SA Burdett is a locality in South Australia covered by postcode 5253. Postcode 5253 State or territory South Australia (SA) Region Sa Subs Near 2 Add a free Burdett business listing Be the first listing in Burdett Common questionsWhat is the postcode for Burdett?Burdett, SA has the postcode 5253.What state is Burdett in?Burdett is in South Australia (SA).Does postcode 5253 cover more than one suburb?Yes. Postcode 5253 covers 25 localities, so the postcode alone does not identify Burdett. Browse other postcodes in South Australia, or widen the search to every Australian postcode.