Home Postcode finder WA Bundanoon Bundanoon postcode WA Bundanoon is a locality in Western Australia covered by postcode 6522. Postcode 6522 State or territory Western Australia (WA) Region Wa Subs 4 Coast Add a free Bundanoon business listing Be the first listing in Bundanoon Common questionsWhat is the postcode for Bundanoon?Bundanoon, WA has the postcode 6522.What state is Bundanoon in?Bundanoon is in Western Australia (WA).Does postcode 6522 cover more than one suburb?Yes. Postcode 6522 covers 10 localities, so the postcode alone does not identify Bundanoon. Browse other postcodes in Western Australia, or widen the search to every Australian postcode.