Home Postcode finder SA Bruce Bruce postcode SA Bruce is a locality in South Australia covered by postcode 5433. Postcode 5433 State or territory South Australia (SA) Region SA Outer Suburbs Add a free Bruce business listing Be the first listing in Bruce Common questionsWhat is the postcode for Bruce?Bruce, SA has the postcode 5433.What state is Bruce in?Bruce is in South Australia (SA).Does postcode 5433 cover more than one suburb?Yes. Postcode 5433 covers 6 localities, so the postcode alone does not identify Bruce. Browse other postcodes in South Australia, or widen the search to every Australian postcode.