Home Postcode finder SA Tatachilla Tatachilla postcode SA Tatachilla is a locality in South Australia covered by postcode 5171. Postcode 5171 State or territory South Australia (SA) Region Adelaide Add a free Tatachilla business listing More business listings in Tatachilla Businesses in TatachillaTatachilla Lutheran CollegeTatachilla Rd · 08 83239588 Common questionsWhat is the postcode for Tatachilla?Tatachilla, SA has the postcode 5171.What state is Tatachilla in?Tatachilla is in South Australia (SA).Does postcode 5171 cover more than one suburb?Yes. Postcode 5171 covers 5 localities, so the postcode alone does not identify Tatachilla. Browse other postcodes in South Australia, or widen the search to every Australian postcode.