Home Postcode finder WA West Toodyay West Toodyay postcode WA West Toodyay is a locality in Western Australia covered by postcode 6566. Postcode 6566 State or territory Western Australia (WA) Region Wa Subs 4 Coast Add a free West Toodyay business listing Be the first listing in West Toodyay Common questionsWhat is the postcode for West Toodyay?West Toodyay, WA has the postcode 6566.What state is West Toodyay in?West Toodyay is in Western Australia (WA).Does postcode 6566 cover more than one suburb?Yes. Postcode 6566 covers 10 localities, so the postcode alone does not identify West Toodyay. Browse other postcodes in Western Australia, or widen the search to every Australian postcode.