Home Postcode finder SA Cortlinye Cortlinye postcode SA Cortlinye is a locality in South Australia covered by postcode 5641. Postcode 5641 State or territory South Australia (SA) Region SA Outer Suburbs Add a free Cortlinye business listing Be the first listing in Cortlinye Common questionsWhat is the postcode for Cortlinye?Cortlinye, SA has the postcode 5641.What state is Cortlinye in?Cortlinye is in South Australia (SA).Does postcode 5641 cover more than one suburb?Yes. Postcode 5641 covers 13 localities, so the postcode alone does not identify Cortlinye. Browse other postcodes in South Australia, or widen the search to every Australian postcode.