Home Postcode finder TAS Nietta Nietta postcode TAS Nietta is a locality in Tasmania covered by postcode 7315. Postcode 7315 State or territory Tasmania (TAS) Region Tasmania Add a free Nietta business listing Be the first listing in Nietta Common questionsWhat is the postcode for Nietta?Nietta, TAS has the postcode 7315.What state is Nietta in?Nietta is in Tasmania (TAS).Does postcode 7315 cover more than one suburb?Yes. Postcode 7315 covers 17 localities, so the postcode alone does not identify Nietta. Browse other postcodes in Tasmania, or widen the search to every Australian postcode.