Home Postcode finder SA Cooltong Cooltong postcode SA Cooltong is a locality in South Australia covered by postcode 5341. Postcode 5341 State or territory South Australia (SA) Region SA Outer Suburbs Add a free Cooltong business listing Be the first listing in Cooltong Common questionsWhat is the postcode for Cooltong?Cooltong, SA has the postcode 5341.What state is Cooltong in?Cooltong is in South Australia (SA).Does postcode 5341 cover more than one suburb?Yes. Postcode 5341 covers 8 localities, so the postcode alone does not identify Cooltong. Browse other postcodes in South Australia, or widen the search to every Australian postcode.