Home Postcode finder SA Maitland Maitland postcode SA Maitland is a locality in South Australia covered by postcode 5573. Postcode 5573 State or territory South Australia (SA) Region Sa Subs Near 1 Add a free Maitland business listing More business listings in Maitland Businesses in MaitlandMaitland Area School4-24 Junction Rd · 08 88322613Maitland Lutheran School23 Clinton St · 08 88322288 Common questionsWhat is the postcode for Maitland?Maitland, SA has the postcode 5573.What state is Maitland in?Maitland is in South Australia (SA).Does postcode 5573 cover more than one suburb?Yes. Postcode 5573 covers 10 localities, so the postcode alone does not identify Maitland. Browse other postcodes in South Australia, or widen the search to every Australian postcode.