Home Postcode finder TAS Powranna Powranna postcode TAS Powranna is a locality in Tasmania covered by postcode 7300. Postcode 7300 State or territory Tasmania (TAS) Region Tasmania Add a free Powranna business listing Be the first listing in Powranna Common questionsWhat is the postcode for Powranna?Powranna, TAS has the postcode 7300.What state is Powranna in?Powranna is in Tasmania (TAS).Does postcode 7300 cover more than one suburb?Yes. Postcode 7300 covers 3 localities, so the postcode alone does not identify Powranna. Browse other postcodes in Tasmania, or widen the search to every Australian postcode.