Home Postcode finder WA Whittaker Whittaker postcode WA Whittaker is a locality in Western Australia covered by postcode 6207. Postcode 6207 State or territory Western Australia (WA) Region Wa Subs 3 Sth Rd Add a free Whittaker business listing Be the first listing in Whittaker Common questionsWhat is the postcode for Whittaker?Whittaker, WA has the postcode 6207.What state is Whittaker in?Whittaker is in Western Australia (WA).Does postcode 6207 cover more than one suburb?Yes. Postcode 6207 covers 5 localities, so the postcode alone does not identify Whittaker. Browse other postcodes in Western Australia, or widen the search to every Australian postcode.