Home Postcode finder SA Copeville Copeville postcode SA Copeville is a locality in South Australia covered by postcode 5308. Postcode 5308 State or territory South Australia (SA) Region Sa Subs Near 2 Add a free Copeville business listing Be the first listing in Copeville Common questionsWhat is the postcode for Copeville?Copeville, SA has the postcode 5308.What state is Copeville in?Copeville is in South Australia (SA).Does postcode 5308 cover more than one suburb?Yes. Postcode 5308 covers 6 localities, so the postcode alone does not identify Copeville. Browse other postcodes in South Australia, or widen the search to every Australian postcode.