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