Home Postcode finder NSW Murray Downs Murray Downs postcode NSW Murray Downs is a locality in New South Wales covered by postcode 2734. Postcode 2734 State or territory New South Wales (NSW) Region Vic Far Country Add a free Murray Downs business listing Be the first listing in Murray Downs Common questionsWhat is the postcode for Murray Downs?Murray Downs, NSW has the postcode 2734.What state is Murray Downs in?Murray Downs is in New South Wales (NSW).Does postcode 2734 cover more than one suburb?Yes. Postcode 2734 covers 9 localities, so the postcode alone does not identify Murray Downs. Browse other postcodes in New South Wales, or widen the search to every Australian postcode.