Home Postcode finder WA Herron Herron postcode WA Herron is a locality in Western Australia covered by postcode 6211. Postcode 6211 State or territory Western Australia (WA) Region Wa Subs 3 Sth Rd Add a free Herron business listing Be the first listing in Herron Common questionsWhat is the postcode for Herron?Herron, WA has the postcode 6211.What state is Herron in?Herron is in Western Australia (WA).Does postcode 6211 cover more than one suburb?Yes. Postcode 6211 covers 4 localities, so the postcode alone does not identify Herron. Browse other postcodes in Western Australia, or widen the search to every Australian postcode.