Home Postcode finder TAS Baden Baden postcode TAS Baden is a locality in Tasmania covered by postcode 7120. Postcode 7120 State or territory Tasmania (TAS) Region Tasmania Add a free Baden business listing Be the first listing in Baden Common questionsWhat is the postcode for Baden?Baden, TAS has the postcode 7120.What state is Baden in?Baden is in Tasmania (TAS).Does postcode 7120 cover more than one suburb?Yes. Postcode 7120 covers 19 localities, so the postcode alone does not identify Baden. Browse other postcodes in Tasmania, or widen the search to every Australian postcode.