Home Postcode finder NT The Narrows The Narrows postcode NT The Narrows is a locality in Northern Territory covered by postcode 0820. Postcode 0820 State or territory Northern Territory (NT) Region Darwin Add a free The Narrows business listing Be the first listing in The Narrows Common questionsWhat is the postcode for The Narrows?The Narrows, NT has the postcode 0820.What state is The Narrows in?The Narrows is in Northern Territory (NT).Does postcode 0820 cover more than one suburb?Yes. Postcode 0820 covers 18 localities, so the postcode alone does not identify The Narrows. Browse other postcodes in Northern Territory , or widen the search to every Australian postcode.