Home Postcode finder WA Peppermint Grove Beach Peppermint Grove Beach postcode WA Peppermint Grove 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 Peppermint Grove Beach business listing Be the first listing in Peppermint Grove Beach Common questionsWhat is the postcode for Peppermint Grove Beach?Peppermint Grove Beach, WA has the postcode 6271.What state is Peppermint Grove Beach in?Peppermint Grove 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 Peppermint Grove Beach. Browse other postcodes in Western Australia, or widen the search to every Australian postcode.