Home Postcode finder NT Darwin River Darwin River postcode NT Darwin River is a locality in Northern Territory covered by postcode 0841. Postcode 0841 State or territory Northern Territory (NT) Region Darwin Add a free Darwin River business listing Be the first listing in Darwin River Common questionsWhat is the postcode for Darwin River?Darwin River, NT has the postcode 0841.What state is Darwin River in?Darwin River is in Northern Territory (NT).Does postcode 0841 cover more than one suburb?No. Postcode 0841 covers Darwin River only, which is unusual - most Australian postcodes cover several localities. Browse other postcodes in Northern Territory , or widen the search to every Australian postcode.