Home Postcodes by state SA 5151 Postcode 5151 5151 is the postcode for Piccadilly, SA. Postcode 5151 State or territory South Australia (SA) Localities 1 Council area Adelaide Hills Council area based on Australian Bureau of Statistics data (ASGS Edition 3), CC BY 4.0. Localities with postcode 5151PiccadillySA Browse postcodes in order← 5150 Eagle On The Hill · 5152 Cleland →