Home Postcode finder SA Reynella East Reynella East postcode SA Reynella East is a locality in South Australia covered by postcode 5161. Postcode 5161 State or territory South Australia (SA) Region Adelaide Add a free Reynella East business listing Be the first listing in Reynella East Common questionsWhat is the postcode for Reynella East?Reynella East, SA has the postcode 5161.What state is Reynella East in?Reynella East is in South Australia (SA).Does postcode 5161 cover more than one suburb?Yes. Postcode 5161 covers 3 localities, so the postcode alone does not identify Reynella East. Browse other postcodes in South Australia, or widen the search to every Australian postcode.