Home Postcode finder SA Kingston On Murray Kingston On Murray postcode SA Kingston On Murray is a locality in South Australia covered by postcode 5331. Postcode 5331 State or territory South Australia (SA) Region SA Outer Suburbs Add a free Kingston On Murray business listing More business listings in Kingston On Murray Businesses in Kingston On MurrayKingston on Murray Primary SchoolEast Terrace · 08 85830239 Common questionsWhat is the postcode for Kingston On Murray?Kingston On Murray, SA has the postcode 5331.What state is Kingston On Murray in?Kingston On Murray is in South Australia (SA).Does postcode 5331 cover more than one suburb?No. Postcode 5331 covers Kingston On Murray only, which is unusual - most Australian postcodes cover several localities. Browse other postcodes in South Australia, or widen the search to every Australian postcode.