Home Postcode finder TAS Rocky Cape Rocky Cape postcode TAS Rocky Cape is a locality in Tasmania covered by postcode 7321. Postcode 7321 State or territory Tasmania (TAS) Region Tasmania Add a free Rocky Cape business listing Be the first listing in Rocky Cape Common questionsWhat is the postcode for Rocky Cape?Rocky Cape, TAS has the postcode 7321.What state is Rocky Cape in?Rocky Cape 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 Rocky Cape. Browse other postcodes in Tasmania, or widen the search to every Australian postcode.