Home Postcode finder SA Farina Farina postcode SA Farina is a locality in South Australia covered by postcode 5733. Postcode 5733 State or territory South Australia (SA) Region SA Outer Suburbs Add a free Farina business listing Be the first listing in Farina Common questionsWhat is the postcode for Farina?Farina, SA has the postcode 5733.What state is Farina in?Farina is in South Australia (SA).Does postcode 5733 cover more than one suburb?Yes. Postcode 5733 covers 2 localities, so the postcode alone does not identify Farina. Browse other postcodes in South Australia, or widen the search to every Australian postcode.