Home Postcode finder TAS Boat Harbour Boat Harbour postcode TAS Boat Harbour is a locality in Tasmania covered by postcode 7321. Postcode 7321 State or territory Tasmania (TAS) Region Tasmania Add a free Boat Harbour business listing More business listings in Boat Harbour Businesses in Boat HarbourBoat Harbour Primary School17386 Bass Hwy · 03 64451187 Common questionsWhat is the postcode for Boat Harbour?Boat Harbour, TAS has the postcode 7321.What state is Boat Harbour in?Boat Harbour is in Tasmania (TAS).Does postcode 7321 cover more than one suburb?Yes. Postcode 7321 covers 35 localities, so the postcode alone does not identify Boat Harbour. Browse other postcodes in Tasmania, or widen the search to every Australian postcode.