Home Postcode finder WA West Fitzgerald West Fitzgerald postcode WA West Fitzgerald is a locality in Western Australia covered by postcode 6337. Postcode 6337 State or territory Western Australia (WA) Region Wa Subs 2 Gsr Add a free West Fitzgerald business listing Be the first listing in West Fitzgerald Common questionsWhat is the postcode for West Fitzgerald?West Fitzgerald, WA has the postcode 6337.What state is West Fitzgerald in?West Fitzgerald is in Western Australia (WA).Does postcode 6337 cover more than one suburb?Yes. Postcode 6337 covers 5 localities, so the postcode alone does not identify West Fitzgerald. Browse other postcodes in Western Australia, or widen the search to every Australian postcode.