Home Postcode finder TAS Deep Bay Deep Bay postcode TAS Deep Bay is a locality in Tasmania covered by postcode 7112. Postcode 7112 State or territory Tasmania (TAS) Region Tasmania Add a free Deep Bay business listing Be the first listing in Deep Bay Common questionsWhat is the postcode for Deep Bay?Deep Bay, TAS has the postcode 7112.What state is Deep Bay in?Deep Bay is in Tasmania (TAS).Does postcode 7112 cover more than one suburb?Yes. Postcode 7112 covers 10 localities, so the postcode alone does not identify Deep Bay. Browse other postcodes in Tasmania, or widen the search to every Australian postcode.