Home Postcode finder WA Mayanup Mayanup postcode WA Mayanup is a locality in Western Australia covered by postcode 6244. Postcode 6244 State or territory Western Australia (WA) Region Wa Subs 3 Sth Rd Add a free Mayanup business listing Be the first listing in Mayanup Common questionsWhat is the postcode for Mayanup?Mayanup, WA has the postcode 6244.What state is Mayanup in?Mayanup is in Western Australia (WA).Does postcode 6244 cover more than one suburb?Yes. Postcode 6244 covers 8 localities, so the postcode alone does not identify Mayanup. Browse other postcodes in Western Australia, or widen the search to every Australian postcode.