Home Postcode finder WA Glenlynn Glenlynn postcode WA Glenlynn is a locality in Western Australia covered by postcode 6256. Postcode 6256 State or territory Western Australia (WA) Region Wa Subs 3 Sth Rd Add a free Glenlynn business listing Be the first listing in Glenlynn Common questionsWhat is the postcode for Glenlynn?Glenlynn, WA has the postcode 6256.What state is Glenlynn in?Glenlynn is in Western Australia (WA).Does postcode 6256 cover more than one suburb?Yes. Postcode 6256 covers 6 localities, so the postcode alone does not identify Glenlynn. Browse other postcodes in Western Australia, or widen the search to every Australian postcode.