Home Postcode finder WA South Doodlakine South Doodlakine postcode WA South Doodlakine is a locality in Western Australia covered by postcode 6411. Postcode 6411 State or territory Western Australia (WA) Region Wa Subs 1 G Flds Add a free South Doodlakine business listing Be the first listing in South Doodlakine Common questionsWhat is the postcode for South Doodlakine?South Doodlakine, WA has the postcode 6411.What state is South Doodlakine in?South Doodlakine is in Western Australia (WA).Does postcode 6411 cover more than one suburb?Yes. Postcode 6411 covers 2 localities, so the postcode alone does not identify South Doodlakine. Browse other postcodes in Western Australia, or widen the search to every Australian postcode.