Home Postcodes by state SA 5150 Postcode 5150 5150 is the postcode for 2 localities in SA: Eagle On The Hill and Leawood Gardens. Localities with postcode 5150Eagle On The HillSALeawood GardensSA Postcode 5150 State or territory South Australia (SA) Localities 2 Council area Mainly Mitcham, partly Burnside Council area based on Australian Bureau of Statistics data (ASGS Edition 3), CC BY 4.0. Postcode 5144 · Postcode 5151