Home Postcode finder NT Nicholson Nicholson postcode NT Nicholson is a locality in Northern Territory covered by postcode 0862. Postcode 0862 State or territory Northern Territory (NT) Region Adelaide Add a free Nicholson business listing Be the first listing in Nicholson Common questionsWhat is the postcode for Nicholson?Nicholson, NT has the postcode 0862.What state is Nicholson in?Nicholson is in Northern Territory (NT).Does postcode 0862 cover more than one suburb?Yes. Postcode 0862 covers 17 localities, so the postcode alone does not identify Nicholson. Browse other postcodes in Northern Territory , or widen the search to every Australian postcode.