Home Postcode finder SA Farm Beach Farm Beach postcode SA Farm Beach is a locality in South Australia covered by postcode 5607. Postcode 5607 State or territory South Australia (SA) Region SA Outer Suburbs Add a free Farm Beach business listing Be the first listing in Farm Beach Common questionsWhat is the postcode for Farm Beach?Farm Beach, SA has the postcode 5607.What state is Farm Beach in?Farm Beach is in South Australia (SA).Does postcode 5607 cover more than one suburb?Yes. Postcode 5607 covers 50 localities, so the postcode alone does not identify Farm Beach. Browse other postcodes in South Australia, or widen the search to every Australian postcode.