Home Postcode finder TAS Blackstone Heights Blackstone Heights postcode TAS Blackstone Heights is a locality in Tasmania covered by postcode 7250. Postcode 7250 State or territory Tasmania (TAS) Region Tasmania Add a free Blackstone Heights business listing Be the first listing in Blackstone Heights Common questionsWhat is the postcode for Blackstone Heights?Blackstone Heights, TAS has the postcode 7250.What state is Blackstone Heights in?Blackstone Heights is in Tasmania (TAS).Does postcode 7250 cover more than one suburb?Yes. Postcode 7250 covers 16 localities, so the postcode alone does not identify Blackstone Heights. Browse other postcodes in Tasmania, or widen the search to every Australian postcode.