Home Postcode finder WA South Yuna South Yuna postcode WA South Yuna 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 South Yuna business listing Be the first listing in South Yuna Common questionsWhat is the postcode for South Yuna?South Yuna, WA has the postcode 6532.What state is South Yuna in?South Yuna 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 South Yuna. Browse other postcodes in Western Australia, or widen the search to every Australian postcode.