Home Postcode finder WA Forrest Beach Forrest Beach postcode WA Forrest Beach is a locality in Western Australia covered by postcode 6271. Postcode 6271 State or territory Western Australia (WA) Region Wa Subs 3 Sth Rd Add a free Forrest Beach business listing Be the first listing in Forrest Beach Common questionsWhat is the postcode for Forrest Beach?Forrest Beach, WA has the postcode 6271.What state is Forrest Beach in?Forrest Beach is in Western Australia (WA).Does postcode 6271 cover more than one suburb?Yes. Postcode 6271 covers 5 localities, so the postcode alone does not identify Forrest Beach. Browse other postcodes in Western Australia, or widen the search to every Australian postcode.