Home Postcode finder SA Edithburgh Edithburgh postcode SA Edithburgh is a locality in South Australia covered by postcode 5583. Postcode 5583 State or territory South Australia (SA) Region Sa Subs Near 1 Add a free Edithburgh business listing More business listings in Edithburgh Businesses in EdithburghEdithburgh Primary SchoolGiles St · 08 88526117 Common questionsWhat is the postcode for Edithburgh?Edithburgh, SA has the postcode 5583.What state is Edithburgh in?Edithburgh is in South Australia (SA).Does postcode 5583 cover more than one suburb?Yes. Postcode 5583 covers 2 localities, so the postcode alone does not identify Edithburgh. Browse other postcodes in South Australia, or widen the search to every Australian postcode.