Home Postcode finder WA Coburn Coburn postcode WA Coburn is a locality in Western Australia covered by postcode 6532. Postcode 6532 State or territory Western Australia (WA) Region Wa Subs 4 Coast Add a free Coburn business listing Be the first listing in Coburn Common questionsWhat is the postcode for Coburn?Coburn, WA has the postcode 6532.What state is Coburn in?Coburn is in Western Australia (WA).Does postcode 6532 cover more than one suburb?Yes. Postcode 6532 covers 59 localities, so the postcode alone does not identify Coburn. Browse other postcodes in Western Australia, or widen the search to every Australian postcode.