Home Postcode finder WA Dinninup Dinninup postcode WA Dinninup 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 Dinninup business listing Be the first listing in Dinninup Common questionsWhat is the postcode for Dinninup?Dinninup, WA has the postcode 6244.What state is Dinninup in?Dinninup 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 Dinninup. Browse other postcodes in Western Australia, or widen the search to every Australian postcode.