Home Postcode finder TAS Premaydena Premaydena postcode TAS Premaydena is a locality in Tasmania covered by postcode 7185. Postcode 7185 State or territory Tasmania (TAS) Region Tasmania Add a free Premaydena business listing Be the first listing in Premaydena Common questionsWhat is the postcode for Premaydena?Premaydena, TAS has the postcode 7185.What state is Premaydena in?Premaydena is in Tasmania (TAS).Does postcode 7185 cover more than one suburb?No. Postcode 7185 covers Premaydena only, which is unusual - most Australian postcodes cover several localities. Browse other postcodes in Tasmania, or widen the search to every Australian postcode.