Home Postcode finder SA Black Springs Black Springs postcode SA Black Springs is a locality in South Australia covered by postcode 5413. Postcode 5413 State or territory South Australia (SA) Region Sa Subs Near 1 Add a free Black Springs business listing Be the first listing in Black Springs Common questionsWhat is the postcode for Black Springs?Black Springs, SA has the postcode 5413.What state is Black Springs in?Black Springs is in South Australia (SA).Does postcode 5413 cover more than one suburb?Yes. Postcode 5413 covers 9 localities, so the postcode alone does not identify Black Springs. Browse other postcodes in South Australia, or widen the search to every Australian postcode.