Home Postcode finder WA Koomberkine Koomberkine postcode WA Koomberkine is a locality in Western Australia covered by postcode 6461. Postcode 6461 State or territory Western Australia (WA) Region Wa Subs 1 G Flds Add a free Koomberkine business listing Be the first listing in Koomberkine Common questionsWhat is the postcode for Koomberkine?Koomberkine, WA has the postcode 6461.What state is Koomberkine in?Koomberkine is in Western Australia (WA).Does postcode 6461 cover more than one suburb?Yes. Postcode 6461 covers 2 localities, so the postcode alone does not identify Koomberkine. Browse other postcodes in Western Australia, or widen the search to every Australian postcode.