Home Postcode finder SA Owen Owen postcode SA Owen is a locality in South Australia covered by postcode 5460. Postcode 5460 State or territory South Australia (SA) Region Sa Subs Near 1 Add a free Owen business listing More business listings in Owen Businesses in OwenOwen Primary SchoolFourth St · 08 85286116 Common questionsWhat is the postcode for Owen?Owen, SA has the postcode 5460.What state is Owen in?Owen is in South Australia (SA).Does postcode 5460 cover more than one suburb?Yes. Postcode 5460 covers 4 localities, so the postcode alone does not identify Owen. Browse other postcodes in South Australia, or widen the search to every Australian postcode.