Home Postcode finder SA Carpenter Rocks Carpenter Rocks postcode SA Carpenter Rocks is a locality in South Australia covered by postcode 5291. Postcode 5291 State or territory South Australia (SA) Region SA Outer Suburbs Add a free Carpenter Rocks business listing Be the first listing in Carpenter Rocks Common questionsWhat is the postcode for Carpenter Rocks?Carpenter Rocks, SA has the postcode 5291.What state is Carpenter Rocks in?Carpenter Rocks is in South Australia (SA).Does postcode 5291 cover more than one suburb?Yes. Postcode 5291 covers 34 localities, so the postcode alone does not identify Carpenter Rocks. Browse other postcodes in South Australia, or widen the search to every Australian postcode.