Home Postcode finder WA Prevelly Prevelly postcode WA Prevelly is a locality in Western Australia covered by postcode 6285. Postcode 6285 State or territory Western Australia (WA) Region Wa Subs 3 Sth Rd Add a free Prevelly business listing Be the first listing in Prevelly Common questionsWhat is the postcode for Prevelly?Prevelly, WA has the postcode 6285.What state is Prevelly in?Prevelly is in Western Australia (WA).Does postcode 6285 cover more than one suburb?Yes. Postcode 6285 covers 9 localities, so the postcode alone does not identify Prevelly. Browse other postcodes in Western Australia, or widen the search to every Australian postcode.