Home Postcode finder TAS Downlands Downlands postcode TAS Downlands is a locality in Tasmania covered by postcode 7320. Postcode 7320 State or territory Tasmania (TAS) Region Tasmania Add a free Downlands business listing Be the first listing in Downlands Common questionsWhat is the postcode for Downlands?Downlands, TAS has the postcode 7320.What state is Downlands in?Downlands is in Tasmania (TAS).Does postcode 7320 cover more than one suburb?Yes. Postcode 7320 covers 19 localities, so the postcode alone does not identify Downlands. Browse other postcodes in Tasmania, or widen the search to every Australian postcode.