Home Postcode finder WA Fortescue Fortescue postcode WA Fortescue is a locality in Western Australia covered by postcode 6716. Postcode 6716 State or territory Western Australia (WA) Region North West Suburbs Add a free Fortescue business listing Be the first listing in Fortescue Common questionsWhat is the postcode for Fortescue?Fortescue, WA has the postcode 6716.What state is Fortescue in?Fortescue is in Western Australia (WA).Does postcode 6716 cover more than one suburb?Yes. Postcode 6716 covers 4 localities, so the postcode alone does not identify Fortescue. Browse other postcodes in Western Australia, or widen the search to every Australian postcode.