Home Postcodes by state SA 5235 Postcode 5235 5235 is the postcode for 6 localities in SA: Cromer, Eden Valley, Flaxman Valley, Mount Pleasant, Springton and Taunton. Localities with postcode 5235CromerSAEden ValleySAFlaxman ValleySAMount PleasantSASpringtonSATauntonSA Postcode 5235 State or territory South Australia (SA) Localities 6 Council area Mainly Barossa, partly Adelaide Hills; Barossa Council area based on Australian Bureau of Statistics data (ASGS Edition 3), CC BY 4.0. Postcode 5234 · Postcode 5236