Home Postcode finder TAS Boyer Boyer postcode TAS Boyer is a locality in Tasmania covered by postcode 7140. Postcode 7140 State or territory Tasmania (TAS) Region Tasmania Add a free Boyer business listing Be the first listing in Boyer Common questionsWhat is the postcode for Boyer?Boyer, TAS has the postcode 7140.What state is Boyer in?Boyer 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 Boyer. Browse other postcodes in Tasmania, or widen the search to every Australian postcode.