Home Postcodes by state SA 5034 Postcode 5034 5034 is the postcode for 5 localities in SA: Clarence Park, Goodwood, Kings Park, Millswood and Wayville. Localities with postcode 5034Clarence ParkSAGoodwoodSAKings ParkSAMillswoodSAWayvilleSA Postcode 5034 State or territory South Australia (SA) Localities 5 Council area Unley Council area based on Australian Bureau of Statistics data (ASGS Edition 3), CC BY 4.0. Postcode 5033 · Postcode 5035