Home Postcodes by state SA 5483 Postcode 5483 5483 is the postcode for Melrose, SA. Localities with postcode 5483MelroseSA Postcode 5483 State or territory South Australia (SA) Localities 1 Council area Mount Remarkable Council area based on Australian Bureau of Statistics data (ASGS Edition 3), CC BY 4.0. Postcode 5482 · Postcode 5485