Home Postcode finder SA Delamere Delamere postcode SA Delamere is a locality in South Australia covered by postcode 5204. Postcode 5204 State or territory South Australia (SA) Region Adelaide Add a free Delamere business listing Be the first listing in Delamere Common questionsWhat is the postcode for Delamere?Delamere, SA has the postcode 5204.What state is Delamere in?Delamere is in South Australia (SA).Does postcode 5204 cover more than one suburb?Yes. Postcode 5204 covers 10 localities, so the postcode alone does not identify Delamere. Browse other postcodes in South Australia, or widen the search to every Australian postcode.