Home Postcode finder TAS Penna Penna postcode TAS Penna is a locality in Tasmania covered by postcode 7171. Postcode 7171 State or territory Tasmania (TAS) Region Tasmania Add a free Penna business listing Be the first listing in Penna Common questionsWhat is the postcode for Penna?Penna, TAS has the postcode 7171.What state is Penna in?Penna is in Tasmania (TAS).Does postcode 7171 cover more than one suburb?Yes. Postcode 7171 covers 2 localities, so the postcode alone does not identify Penna. Browse other postcodes in Tasmania, or widen the search to every Australian postcode.