Home Postcode finder WA Binningup Binningup postcode WA Binningup is a locality in Western Australia covered by postcode 6233. Postcode 6233 State or territory Western Australia (WA) Region Wa Subs 2 Gsr Add a free Binningup business listing Be the first listing in Binningup Common questionsWhat is the postcode for Binningup?Binningup, WA has the postcode 6233.What state is Binningup in?Binningup is in Western Australia (WA).Does postcode 6233 cover more than one suburb?Yes. Postcode 6233 covers 5 localities, so the postcode alone does not identify Binningup. Browse other postcodes in Western Australia, or widen the search to every Australian postcode.