Home Postcode finder TAS West Devonport West Devonport postcode TAS West Devonport is a locality in Tasmania covered by postcode 7310. Postcode 7310 State or territory Tasmania (TAS) Region Tasmania Add a free West Devonport business listing Be the first listing in West Devonport Common questionsWhat is the postcode for West Devonport?West Devonport, TAS has the postcode 7310.What state is West Devonport in?West Devonport is in Tasmania (TAS).Does postcode 7310 cover more than one suburb?Yes. Postcode 7310 covers 24 localities, so the postcode alone does not identify West Devonport. Browse other postcodes in Tasmania, or widen the search to every Australian postcode.