Home Postcode finder TAS Dover Dover postcode TAS Dover is a locality in Tasmania covered by postcode 7117. Postcode 7117 State or territory Tasmania (TAS) Region Tasmania Add a free Dover business listing More business listings in Dover Businesses in DoverDover District High SchoolMain Rd · 03 62981312 Common questionsWhat is the postcode for Dover?Dover, TAS has the postcode 7117.What state is Dover in?Dover is in Tasmania (TAS).Does postcode 7117 cover more than one suburb?No. Postcode 7117 covers Dover only, which is unusual - most Australian postcodes cover several localities. Browse other postcodes in Tasmania, or widen the search to every Australian postcode.