Home Postcode finder TAS Mathinna Mathinna postcode TAS Mathinna is a locality in Tasmania covered by postcode 7214. Postcode 7214 State or territory Tasmania (TAS) Region Tasmania Add a free Mathinna business listing Be the first listing in Mathinna Common questionsWhat is the postcode for Mathinna?Mathinna, TAS has the postcode 7214.What state is Mathinna in?Mathinna is in Tasmania (TAS).Does postcode 7214 cover more than one suburb?Yes. Postcode 7214 covers 4 localities, so the postcode alone does not identify Mathinna. Browse other postcodes in Tasmania, or widen the search to every Australian postcode.