Home Postcode finder WA Fitzgerald Fitzgerald postcode WA 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 Fitzgerald business listing Be the first listing in Fitzgerald Common questionsWhat is the postcode for Fitzgerald?Fitzgerald, WA has the postcode 6337.What state is Fitzgerald in?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 Fitzgerald. Browse other postcodes in Western Australia, or widen the search to every Australian postcode.