Home Postcode finder SA Cuttlefish Bay Cuttlefish Bay postcode SA Cuttlefish Bay is a locality in South Australia covered by postcode 5222. Postcode 5222 State or territory South Australia (SA) Region Sa Subs Near 2 Add a free Cuttlefish Bay business listing Be the first listing in Cuttlefish Bay Common questionsWhat is the postcode for Cuttlefish Bay?Cuttlefish Bay, SA has the postcode 5222.What state is Cuttlefish Bay in?Cuttlefish Bay is in South Australia (SA).Does postcode 5222 cover more than one suburb?Yes. Postcode 5222 covers 17 localities, so the postcode alone does not identify Cuttlefish Bay. Browse other postcodes in South Australia, or widen the search to every Australian postcode.