Home Postcode finder SA Georgetown Georgetown postcode SA Georgetown is a locality in South Australia covered by postcode 5472. Postcode 5472 State or territory South Australia (SA) Region Sa Subs Near 1 Add a free Georgetown business listing More business listings in Georgetown Businesses in GeorgetownGeorgetown Primary SchoolPitt St · 08 86624013 Common questionsWhat is the postcode for Georgetown?Georgetown, SA has the postcode 5472.What state is Georgetown in?Georgetown is in South Australia (SA).Does postcode 5472 cover more than one suburb?No. Postcode 5472 covers Georgetown only, which is unusual - most Australian postcodes cover several localities. Browse other postcodes in South Australia, or widen the search to every Australian postcode.