Home Postcode finder SA Kanni Kanni postcode SA Kanni is a locality in South Australia covered by postcode 5330. Postcode 5330 State or territory South Australia (SA) Region SA Outer Suburbs Add a free Kanni business listing Be the first listing in Kanni Common questionsWhat is the postcode for Kanni?Kanni, SA has the postcode 5330.What state is Kanni in?Kanni is in South Australia (SA).Does postcode 5330 cover more than one suburb?Yes. Postcode 5330 covers 15 localities, so the postcode alone does not identify Kanni. Browse other postcodes in South Australia, or widen the search to every Australian postcode.