Home Postcode finder WA Warding East Warding East postcode WA Warding East is a locality in Western Australia covered by postcode 6405. Postcode 6405 State or territory Western Australia (WA) Region Wa Subs 1 G Flds Add a free Warding East business listing Be the first listing in Warding East Common questionsWhat is the postcode for Warding East?Warding East, WA has the postcode 6405.What state is Warding East in?Warding East is in Western Australia (WA).Does postcode 6405 cover more than one suburb?Yes. Postcode 6405 covers 4 localities, so the postcode alone does not identify Warding East. Browse other postcodes in Western Australia, or widen the search to every Australian postcode.