Home Postcode finder SA Kirkcaldy Kirkcaldy postcode SA Kirkcaldy is a locality in South Australia covered by postcode 5022. Postcode 5022 State or territory South Australia (SA) Region Adelaide Add a free Kirkcaldy business listing Be the first listing in Kirkcaldy Common questionsWhat is the postcode for Kirkcaldy?Kirkcaldy, SA has the postcode 5022.What state is Kirkcaldy in?Kirkcaldy is in South Australia (SA).Does postcode 5022 cover more than one suburb?Yes. Postcode 5022 covers 5 localities, so the postcode alone does not identify Kirkcaldy. Browse other postcodes in South Australia, or widen the search to every Australian postcode.