Home Postcode finder SA Cockaleechie Cockaleechie postcode SA Cockaleechie is a locality in South Australia covered by postcode 5631. Postcode 5631 State or territory South Australia (SA) Region SA Outer Suburbs Add a free Cockaleechie business listing Be the first listing in Cockaleechie Common questionsWhat is the postcode for Cockaleechie?Cockaleechie, SA has the postcode 5631.What state is Cockaleechie in?Cockaleechie is in South Australia (SA).Does postcode 5631 cover more than one suburb?Yes. Postcode 5631 covers 2 localities, so the postcode alone does not identify Cockaleechie. Browse other postcodes in South Australia, or widen the search to every Australian postcode.