Home Postcode finder TAS Dee Dee postcode TAS Dee is a locality in Tasmania covered by postcode 7140. Postcode 7140 State or territory Tasmania (TAS) Region Tasmania Add a free Dee business listing Be the first listing in Dee Common questionsWhat is the postcode for Dee?Dee, TAS has the postcode 7140.What state is Dee in?Dee is in Tasmania (TAS).Does postcode 7140 cover more than one suburb?Yes. Postcode 7140 covers 48 localities, so the postcode alone does not identify Dee. Browse other postcodes in Tasmania, or widen the search to every Australian postcode.