Home Postcode finder TAS Round Hill Round Hill postcode TAS Round Hill is a locality in Tasmania covered by postcode 7320. Postcode 7320 State or territory Tasmania (TAS) Region Tasmania Add a free Round Hill business listing Be the first listing in Round Hill Common questionsWhat is the postcode for Round Hill?Round Hill, TAS has the postcode 7320.What state is Round Hill in?Round Hill 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 Round Hill. Browse other postcodes in Tasmania, or widen the search to every Australian postcode.