Home Postcode finder TAS Grassy Grassy postcode TAS Grassy is a locality in Tasmania covered by postcode 7256. Postcode 7256 State or territory Tasmania (TAS) Region Tasmania Add a free Grassy business listing Be the first listing in Grassy Common questionsWhat is the postcode for Grassy?Grassy, TAS has the postcode 7256.What state is Grassy in?Grassy is in Tasmania (TAS).Does postcode 7256 cover more than one suburb?Yes. Postcode 7256 covers 16 localities, so the postcode alone does not identify Grassy. Browse other postcodes in Tasmania, or widen the search to every Australian postcode.