Home Postcode finder TAS Preservation Bay Preservation Bay postcode TAS Preservation Bay is a locality in Tasmania covered by postcode 7316. Postcode 7316 State or territory Tasmania (TAS) Region Tasmania Add a free Preservation Bay business listing Be the first listing in Preservation Bay Common questionsWhat is the postcode for Preservation Bay?Preservation Bay, TAS has the postcode 7316.What state is Preservation Bay in?Preservation Bay is in Tasmania (TAS).Does postcode 7316 cover more than one suburb?Yes. Postcode 7316 covers 11 localities, so the postcode alone does not identify Preservation Bay. Browse other postcodes in Tasmania, or widen the search to every Australian postcode.