Home Postcode finder SA Avoca Dell Avoca Dell postcode SA Avoca Dell 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 Avoca Dell business listing Be the first listing in Avoca Dell Common questionsWhat is the postcode for Avoca Dell?Avoca Dell, SA has the postcode 5253.What state is Avoca Dell in?Avoca Dell 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 Avoca Dell. Browse other postcodes in South Australia, or widen the search to every Australian postcode.