Home Postcode finder NT Dundee Downs Dundee Downs postcode NT Dundee Downs is a locality in Northern Territory covered by postcode 0840. Postcode 0840 State or territory Northern Territory (NT) Region Darwin Add a free Dundee Downs business listing Be the first listing in Dundee Downs Common questionsWhat is the postcode for Dundee Downs?Dundee Downs, NT has the postcode 0840.What state is Dundee Downs in?Dundee Downs is in Northern Territory (NT).Does postcode 0840 cover more than one suburb?Yes. Postcode 0840 covers 3 localities, so the postcode alone does not identify Dundee Downs. Browse other postcodes in Northern Territory , or widen the search to every Australian postcode.