Home Postcode finder TAS West Ridgley West Ridgley postcode TAS West Ridgley is a locality in Tasmania covered by postcode 7321. Postcode 7321 State or territory Tasmania (TAS) Region Tasmania Add a free West Ridgley business listing Be the first listing in West Ridgley Common questionsWhat is the postcode for West Ridgley?West Ridgley, TAS has the postcode 7321.What state is West Ridgley in?West Ridgley is in Tasmania (TAS).Does postcode 7321 cover more than one suburb?Yes. Postcode 7321 covers 35 localities, so the postcode alone does not identify West Ridgley. Browse other postcodes in Tasmania, or widen the search to every Australian postcode.