Home Postcode finder NT Holtze Holtze postcode NT Holtze is a locality in Northern Territory covered by postcode 0829. Postcode 0829 State or territory Northern Territory (NT) Region Darwin Add a free Holtze business listing Be the first listing in Holtze Common questionsWhat is the postcode for Holtze?Holtze, NT has the postcode 0829.What state is Holtze in?Holtze is in Northern Territory (NT).Does postcode 0829 cover more than one suburb?Yes. Postcode 0829 covers 2 localities, so the postcode alone does not identify Holtze. Browse other postcodes in Northern Territory , or widen the search to every Australian postcode.