Home Postcode finder TAS Black Hills Black Hills postcode TAS Black Hills is a locality in Tasmania covered by postcode 7140. Postcode 7140 State or territory Tasmania (TAS) Region Tasmania Add a free Black Hills business listing Be the first listing in Black Hills Common questionsWhat is the postcode for Black Hills?Black Hills, TAS has the postcode 7140.What state is Black Hills in?Black Hills is in Tasmania (TAS).Does postcode 7140 cover more than one suburb?Yes. Postcode 7140 covers 48 localities, so the postcode alone does not identify Black Hills. Browse other postcodes in Tasmania, or widen the search to every Australian postcode.