Home Postcode finder SA Totness Totness postcode SA Totness is a locality in South Australia covered by postcode 5250. Postcode 5250 State or territory South Australia (SA) Region Sa Subs Near 2 Add a free Totness business listing Be the first listing in Totness Common questionsWhat is the postcode for Totness?Totness, SA has the postcode 5250.What state is Totness in?Totness is in South Australia (SA).Does postcode 5250 cover more than one suburb?Yes. Postcode 5250 covers 3 localities, so the postcode alone does not identify Totness. Browse other postcodes in South Australia, or widen the search to every Australian postcode.