Home Postcodes by state SA 5144 Postcode 5144 5144 is the postcode for Carey Gully, SA. Localities with postcode 5144Carey GullySA Postcode 5144 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. Postcode 5142 · Postcode 5150