Home Postcode finder WA Lake Grace Lake Grace postcode WA Lake Grace is a locality in Western Australia covered by postcode 6353. Postcode 6353 State or territory Western Australia (WA) Region Wa Subs 2 Gsr Add a free Lake Grace business listing More business listings in Lake Grace Businesses in Lake GraceLake Grace District High School1 School Place · 08 98651207 Common questionsWhat is the postcode for Lake Grace?Lake Grace, WA has the postcode 6353.What state is Lake Grace in?Lake Grace is in Western Australia (WA).Does postcode 6353 cover more than one suburb?Yes. Postcode 6353 covers 10 localities, so the postcode alone does not identify Lake Grace. Browse other postcodes in Western Australia, or widen the search to every Australian postcode.