Home Postcode finder NT Marlow Lagoon Marlow Lagoon postcode NT Marlow Lagoon is a locality in Northern Territory covered by postcode 0830. Postcode 0830 State or territory Northern Territory (NT) Region Darwin Add a free Marlow Lagoon business listing Be the first listing in Marlow Lagoon Common questionsWhat is the postcode for Marlow Lagoon?Marlow Lagoon, NT has the postcode 0830.What state is Marlow Lagoon in?Marlow Lagoon is in Northern Territory (NT).Does postcode 0830 cover more than one suburb?Yes. Postcode 0830 covers 11 localities, so the postcode alone does not identify Marlow Lagoon. Browse other postcodes in Northern Territory , or widen the search to every Australian postcode.