Home Postcodes by state SA 5040 Postcode 5040 5040 is the postcode for Novar Gardens, SA. Localities with postcode 5040Novar GardensSA Postcode 5040 State or territory South Australia (SA) Localities 1 Council area West Torrens Council area based on Australian Bureau of Statistics data (ASGS Edition 3), CC BY 4.0. Postcode 5039 · Postcode 5041