Home Postcodes by state SA 5353 Postcode 5353 5353 is the postcode for 11 localities in SA: Angaston, Black Hill, Cambrai, Flaxman Valley, Keyneton, Kongolia and 5 more. Localities with postcode 5353AngastonSABlack HillSACambraiSAFlaxman ValleySAKeynetonSAKongoliaSAMocultaSAMount MckenzieSAPenriceSASedanSATowittaSA Postcode 5353 State or territory South Australia (SA) Localities 11 Council area Barossa; Mid Murray Council area based on Australian Bureau of Statistics data (ASGS Edition 3), CC BY 4.0. Postcode 5352 · Postcode 5354