Home Postcode finder SA Truro Truro postcode SA Truro is a locality in South Australia covered by postcode 5356. Postcode 5356 State or territory South Australia (SA) Region Sa Subs Near 1 Add a free Truro business listing More business listings in Truro Businesses in TruroTruro Primary School1 Burr St · 08 85640212 Common questionsWhat is the postcode for Truro?Truro, SA has the postcode 5356.What state is Truro in?Truro is in South Australia (SA).Does postcode 5356 cover more than one suburb?Yes. Postcode 5356 covers 7 localities, so the postcode alone does not identify Truro. Browse other postcodes in South Australia, or widen the search to every Australian postcode.