Home Postcode finder WA Boothendarra Boothendarra postcode WA Boothendarra is a locality in Western Australia covered by postcode 6521. Postcode 6521 State or territory Western Australia (WA) Region Wa Subs 4 Coast Add a free Boothendarra business listing Be the first listing in Boothendarra Common questionsWhat is the postcode for Boothendarra?Boothendarra, WA has the postcode 6521.What state is Boothendarra in?Boothendarra is in Western Australia (WA).Does postcode 6521 cover more than one suburb?Yes. Postcode 6521 covers 5 localities, so the postcode alone does not identify Boothendarra. Browse other postcodes in Western Australia, or widen the search to every Australian postcode.