Home Postcode finder WA Sandy Gully Sandy Gully postcode WA Sandy Gully is a locality in Western Australia covered by postcode 6535. Postcode 6535 State or territory Western Australia (WA) Region Wa Subs 4 Coast Add a free Sandy Gully business listing Be the first listing in Sandy Gully Common questionsWhat is the postcode for Sandy Gully?Sandy Gully, WA has the postcode 6535.What state is Sandy Gully in?Sandy Gully is in Western Australia (WA).Does postcode 6535 cover more than one suburb?Yes. Postcode 6535 covers 10 localities, so the postcode alone does not identify Sandy Gully. Browse other postcodes in Western Australia, or widen the search to every Australian postcode.