Home Postcode finder SA Mallala Mallala postcode SA Mallala is a locality in South Australia covered by postcode 5502. Postcode 5502 State or territory South Australia (SA) Region Sa Subs Near 1 Add a free Mallala business listing More business listings in Mallala Businesses in MallalaMallala Primary School28 Owen Rd · 08 85272240 Common questionsWhat is the postcode for Mallala?Mallala, SA has the postcode 5502.What state is Mallala in?Mallala is in South Australia (SA).Does postcode 5502 cover more than one suburb?Yes. Postcode 5502 covers 6 localities, so the postcode alone does not identify Mallala. Browse other postcodes in South Australia, or widen the search to every Australian postcode.