Home Postcode finder SA Yorketown Yorketown postcode SA Yorketown is a locality in South Australia covered by postcode 5576. Postcode 5576 State or territory South Australia (SA) Region Sa Subs Near 1 Add a free Yorketown business listing More business listings in Yorketown Businesses in YorketownSt Columba's Memorial School55 Warooka Rd · 08 88521461Yorketown Area SchoolStansbury Rd · 08 88521233 Common questionsWhat is the postcode for Yorketown?Yorketown, SA has the postcode 5576.What state is Yorketown in?Yorketown is in South Australia (SA).Does postcode 5576 cover more than one suburb?Yes. Postcode 5576 covers 3 localities, so the postcode alone does not identify Yorketown. Browse other postcodes in South Australia, or widen the search to every Australian postcode.