Home Postcodes by state SA 5110 Postcode 5110 5110 is the postcode for 6 localities in SA: Bolivar, Burton, Direk, Globe Derby Park, St Kilda and Waterloo Corner. Localities with postcode 5110BolivarSABurtonSADirekSAGlobe Derby ParkSASt KildaSAWaterloo CornerSA Postcode 5110 State or territory South Australia (SA) Localities 6 Council area Salisbury; Mainly Playford, partly Salisbury Council area based on Australian Bureau of Statistics data (ASGS Edition 3), CC BY 4.0. Postcode 5109 · Postcode 5111