Home Postcode finder WA Kudardup Kudardup postcode WA Kudardup is a locality in Western Australia covered by postcode 6290. Postcode 6290 State or territory Western Australia (WA) Region Wa Subs 3 Sth Rd Add a free Kudardup business listing Be the first listing in Kudardup Common questionsWhat is the postcode for Kudardup?Kudardup, WA has the postcode 6290.What state is Kudardup in?Kudardup is in Western Australia (WA).Does postcode 6290 cover more than one suburb?Yes. Postcode 6290 covers 6 localities, so the postcode alone does not identify Kudardup. Browse other postcodes in Western Australia, or widen the search to every Australian postcode.