Home Postcode finder WA Wonnerup Wonnerup postcode WA Wonnerup is a locality in Western Australia covered by postcode 6280. Postcode 6280 State or territory Western Australia (WA) Region Wa Subs 3 Sth Rd Add a free Wonnerup business listing Be the first listing in Wonnerup Common questionsWhat is the postcode for Wonnerup?Wonnerup, WA has the postcode 6280.What state is Wonnerup in?Wonnerup is in Western Australia (WA).Does postcode 6280 cover more than one suburb?Yes. Postcode 6280 covers 34 localities, so the postcode alone does not identify Wonnerup. Browse other postcodes in Western Australia, or widen the search to every Australian postcode.