Home Postcode finder WA Greenough Greenough postcode WA Greenough is a locality in Western Australia covered by postcode 6532. Postcode 6532 State or territory Western Australia (WA) Region Wa Subs 4 Coast Add a free Greenough business listing Be the first listing in Greenough Common questionsWhat is the postcode for Greenough?Greenough, WA has the postcode 6532.What state is Greenough in?Greenough is in Western Australia (WA).Does postcode 6532 cover more than one suburb?Yes. Postcode 6532 covers 59 localities, so the postcode alone does not identify Greenough. Browse other postcodes in Western Australia, or widen the search to every Australian postcode.