Home Postcode finder TAS Hollow Tree Hollow Tree postcode TAS Hollow Tree is a locality in Tasmania covered by postcode 7140. Postcode 7140 State or territory Tasmania (TAS) Region Tasmania Add a free Hollow Tree business listing Be the first listing in Hollow Tree Common questionsWhat is the postcode for Hollow Tree?Hollow Tree, TAS has the postcode 7140.What state is Hollow Tree in?Hollow Tree 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 Hollow Tree. Browse other postcodes in Tasmania, or widen the search to every Australian postcode.