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