Home Postcode finder SA Lucky Bay Lucky Bay postcode SA Lucky Bay is a locality in South Australia covered by postcode 5602. Postcode 5602 State or territory South Australia (SA) Region SA Outer Suburbs Add a free Lucky Bay business listing Be the first listing in Lucky Bay Common questionsWhat is the postcode for Lucky Bay?Lucky Bay, SA has the postcode 5602.What state is Lucky Bay in?Lucky Bay is in South Australia (SA).Does postcode 5602 cover more than one suburb?Yes. Postcode 5602 covers 8 localities, so the postcode alone does not identify Lucky Bay. Browse other postcodes in South Australia, or widen the search to every Australian postcode.