Home Postcode finder NT Lansdowne Lansdowne postcode NT Lansdowne is a locality in Northern Territory covered by postcode 0850. Postcode 0850 State or territory Northern Territory (NT) Region Darwin Add a free Lansdowne business listing Be the first listing in Lansdowne Common questionsWhat is the postcode for Lansdowne?Lansdowne, NT has the postcode 0850.What state is Lansdowne in?Lansdowne is in Northern Territory (NT).Does postcode 0850 cover more than one suburb?Yes. Postcode 0850 covers 6 localities, so the postcode alone does not identify Lansdowne. Browse other postcodes in Northern Territory , or widen the search to every Australian postcode.