Home Postcode finder SA Torrensville Plaza Torrensville Plaza postcode SA Torrensville Plaza is a locality in South Australia covered by postcode 5031. Postcode 5031 State or territory South Australia (SA) Region Adelaide Add a free Torrensville Plaza business listing Be the first listing in Torrensville Plaza Common questionsWhat is the postcode for Torrensville Plaza?Torrensville Plaza, SA has the postcode 5031.What state is Torrensville Plaza in?Torrensville Plaza is in South Australia (SA).Does postcode 5031 cover more than one suburb?Yes. Postcode 5031 covers 5 localities, so the postcode alone does not identify Torrensville Plaza. Browse other postcodes in South Australia, or widen the search to every Australian postcode.