Home Postcode finder SA Black Point Black Point postcode SA Black Point is a locality in South Australia covered by postcode 5571. Postcode 5571 State or territory South Australia (SA) Region Sa Subs Near 1 Add a free Black Point business listing Be the first listing in Black Point Common questionsWhat is the postcode for Black Point?Black Point, SA has the postcode 5571.What state is Black Point in?Black Point is in South Australia (SA).Does postcode 5571 cover more than one suburb?Yes. Postcode 5571 covers 9 localities, so the postcode alone does not identify Black Point. Browse other postcodes in South Australia, or widen the search to every Australian postcode.