Home Postcode finder SA Trinity Gardens Trinity Gardens postcode SA Trinity Gardens is a locality in South Australia covered by postcode 5068. Postcode 5068 State or territory South Australia (SA) Region Sa Subs Near 2 Add a free Trinity Gardens business listing More business listings in Trinity Gardens Businesses in Trinity GardensJani-King South Australia1 Avonmore Avenue, Trinity Gardens South Australia 5068, Australia · 1300364694Trinity Gardens Primary School160 Portrush Rd · 08 84314170 Common questionsWhat is the postcode for Trinity Gardens?Trinity Gardens, SA has the postcode 5068.What state is Trinity Gardens in?Trinity Gardens is in South Australia (SA).Does postcode 5068 cover more than one suburb?Yes. Postcode 5068 covers 8 localities, so the postcode alone does not identify Trinity Gardens. Browse other postcodes in South Australia, or widen the search to every Australian postcode.