Home Postcode finder SA Evanston Evanston postcode SA Evanston is a locality in South Australia covered by postcode 5116. Postcode 5116 State or territory South Australia (SA) Region Sa Subs Near 1 Add a free Evanston business listing More business listings in Evanston Businesses in EvanstonDreamland485 Main North Road · 1300233799Gawler High SchoolBarnet Rd · 08 85222044St Brigid's Primary SchoolPara Rd · 08 85222842 Common questionsWhat is the postcode for Evanston?Evanston, SA has the postcode 5116.What state is Evanston in?Evanston is in South Australia (SA).Does postcode 5116 cover more than one suburb?Yes. Postcode 5116 covers 5 localities, so the postcode alone does not identify Evanston. Browse other postcodes in South Australia, or widen the search to every Australian postcode.