Home Postcode finder SA Coromandel East Coromandel East postcode SA Coromandel East is a locality in South Australia covered by postcode 5157. Postcode 5157 State or territory South Australia (SA) Region Sa Subs Near 2 Add a free Coromandel East business listing Be the first listing in Coromandel East Common questionsWhat is the postcode for Coromandel East?Coromandel East, SA has the postcode 5157.What state is Coromandel East in?Coromandel East is in South Australia (SA).Does postcode 5157 cover more than one suburb?Yes. Postcode 5157 covers 8 localities, so the postcode alone does not identify Coromandel East. Browse other postcodes in South Australia, or widen the search to every Australian postcode.