Home Postcode finder SA Melrose Melrose postcode SA Melrose is a locality in South Australia covered by postcode 5483. Postcode 5483 State or territory South Australia (SA) Region SA Outer Suburbs Add a free Melrose business listing More business listings in Melrose Businesses in MelroseMelrose Primary School29 Stuart St · 08 86662154 Common questionsWhat is the postcode for Melrose?Melrose, SA has the postcode 5483.What state is Melrose in?Melrose is in South Australia (SA).Does postcode 5483 cover more than one suburb?No. Postcode 5483 covers Melrose only, which is unusual - most Australian postcodes cover several localities. Browse other postcodes in South Australia, or widen the search to every Australian postcode.