Home Postcode finder SA Ki Ki Ki Ki postcode SA Ki Ki is a locality in South Australia covered by postcode 5261. Postcode 5261 State or territory South Australia (SA) Region Sa Subs Near 2 Add a free Ki Ki business listing Be the first listing in Ki Ki Common questionsWhat is the postcode for Ki Ki?Ki Ki, SA has the postcode 5261.What state is Ki Ki in?Ki Ki is in South Australia (SA).Does postcode 5261 cover more than one suburb?Yes. Postcode 5261 covers 5 localities, so the postcode alone does not identify Ki Ki. Browse other postcodes in South Australia, or widen the search to every Australian postcode.