Home Postcode finder WA North Lake Grace North Lake Grace postcode WA North 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 North Lake Grace business listing Be the first listing in North Lake Grace Common questionsWhat is the postcode for North Lake Grace?North Lake Grace, WA has the postcode 6353.What state is North Lake Grace in?North 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 North Lake Grace. Browse other postcodes in Western Australia, or widen the search to every Australian postcode.