Home Postcode finder WA Hester Hester postcode WA Hester is a locality in Western Australia covered by postcode 6255. Postcode 6255 State or territory Western Australia (WA) Region Wa Subs 3 Sth Rd Add a free Hester business listing Be the first listing in Hester Common questionsWhat is the postcode for Hester?Hester, WA has the postcode 6255.What state is Hester in?Hester is in Western Australia (WA).Does postcode 6255 cover more than one suburb?Yes. Postcode 6255 covers 7 localities, so the postcode alone does not identify Hester. Browse other postcodes in Western Australia, or widen the search to every Australian postcode.