Home Postcode finder WA Coomberdale Coomberdale postcode WA Coomberdale is a locality in Western Australia covered by postcode 6512. Postcode 6512 State or territory Western Australia (WA) Region Wa Subs 4 Coast Add a free Coomberdale business listing Be the first listing in Coomberdale Common questionsWhat is the postcode for Coomberdale?Coomberdale, WA has the postcode 6512.What state is Coomberdale in?Coomberdale is in Western Australia (WA).Does postcode 6512 cover more than one suburb?Yes. Postcode 6512 covers 2 localities, so the postcode alone does not identify Coomberdale. Browse other postcodes in Western Australia, or widen the search to every Australian postcode.