Home Postcode finder SA Salter Springs Salter Springs postcode SA Salter Springs is a locality in South Australia covered by postcode 5401. Postcode 5401 State or territory South Australia (SA) Region Sa Subs Near 1 Add a free Salter Springs business listing Be the first listing in Salter Springs Common questionsWhat is the postcode for Salter Springs?Salter Springs, SA has the postcode 5401.What state is Salter Springs in?Salter Springs is in South Australia (SA).Does postcode 5401 cover more than one suburb?Yes. Postcode 5401 covers 3 localities, so the postcode alone does not identify Salter Springs. Browse other postcodes in South Australia, or widen the search to every Australian postcode.