Home Postcode finder NT The Gardens The Gardens postcode NT The Gardens is a locality in Northern Territory covered by postcode 0820. Postcode 0820 State or territory Northern Territory (NT) Region Darwin Add a free The Gardens business listing Be the first listing in The Gardens Common questionsWhat is the postcode for The Gardens?The Gardens, NT has the postcode 0820.What state is The Gardens in?The Gardens 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 Gardens. Browse other postcodes in Northern Territory , or widen the search to every Australian postcode.