Home Postcode finder WA Ringbark Ringbark postcode WA Ringbark is a locality in Western Australia covered by postcode 6258. Postcode 6258 State or territory Western Australia (WA) Region Wa Subs 3 Sth Rd Add a free Ringbark business listing Be the first listing in Ringbark Common questionsWhat is the postcode for Ringbark?Ringbark, WA has the postcode 6258.What state is Ringbark in?Ringbark is in Western Australia (WA).Does postcode 6258 cover more than one suburb?Yes. Postcode 6258 covers 22 localities, so the postcode alone does not identify Ringbark. Browse other postcodes in Western Australia, or widen the search to every Australian postcode.