Home Postcode finder SA Riverglen Riverglen postcode SA Riverglen is a locality in South Australia covered by postcode 5253. Postcode 5253 State or territory South Australia (SA) Region Sa Subs Near 2 Add a free Riverglen business listing Be the first listing in Riverglen Common questionsWhat is the postcode for Riverglen?Riverglen, SA has the postcode 5253.What state is Riverglen in?Riverglen is in South Australia (SA).Does postcode 5253 cover more than one suburb?Yes. Postcode 5253 covers 25 localities, so the postcode alone does not identify Riverglen. Browse other postcodes in South Australia, or widen the search to every Australian postcode.