Home Postcode finder WA Dandanning Dandanning postcode WA Dandanning is a locality in Western Australia covered by postcode 6479. Postcode 6479 State or territory Western Australia (WA) Region Wa Subs 1 G Flds Add a free Dandanning business listing Be the first listing in Dandanning Common questionsWhat is the postcode for Dandanning?Dandanning, WA has the postcode 6479.What state is Dandanning in?Dandanning is in Western Australia (WA).Does postcode 6479 cover more than one suburb?Yes. Postcode 6479 covers 9 localities, so the postcode alone does not identify Dandanning. Browse other postcodes in Western Australia, or widen the search to every Australian postcode.