Home Postcode finder WA Rawlinna Rawlinna postcode WA Rawlinna is a locality in Western Australia covered by postcode 6434. Postcode 6434 State or territory Western Australia (WA) Region Wa Subs 1 G Flds Add a free Rawlinna business listing Be the first listing in Rawlinna Common questionsWhat is the postcode for Rawlinna?Rawlinna, WA has the postcode 6434.What state is Rawlinna in?Rawlinna is in Western Australia (WA).Does postcode 6434 cover more than one suburb?Yes. Postcode 6434 covers 5 localities, so the postcode alone does not identify Rawlinna. Browse other postcodes in Western Australia, or widen the search to every Australian postcode.