Home Postcode finder SA Dutton East Dutton East postcode SA Dutton East is a locality in South Australia covered by postcode 5356. Postcode 5356 State or territory South Australia (SA) Region Sa Subs Near 1 Add a free Dutton East business listing Be the first listing in Dutton East Common questionsWhat is the postcode for Dutton East?Dutton East, SA has the postcode 5356.What state is Dutton East in?Dutton East is in South Australia (SA).Does postcode 5356 cover more than one suburb?Yes. Postcode 5356 covers 7 localities, so the postcode alone does not identify Dutton East. Browse other postcodes in South Australia, or widen the search to every Australian postcode.