Home Postcode finder SA Kohinoor Kohinoor postcode SA Kohinoor is a locality in South Australia covered by postcode 5223. Postcode 5223 State or territory South Australia (SA) Region Sa Subs Near 2 Add a free Kohinoor business listing Be the first listing in Kohinoor Common questionsWhat is the postcode for Kohinoor?Kohinoor, SA has the postcode 5223.What state is Kohinoor in?Kohinoor is in South Australia (SA).Does postcode 5223 cover more than one suburb?Yes. Postcode 5223 covers 30 localities, so the postcode alone does not identify Kohinoor. Browse other postcodes in South Australia, or widen the search to every Australian postcode.