Home Postcodes by state SA 5042 Postcode 5042 5042 is the postcode for 5 localities in SA: Bedford Park, Clovelly Park, Pasadena, St Marys and Flinders University. Localities with postcode 5042Bedford ParkSAClovelly ParkSAFlinders UniversitySAPasadenaSASt MarysSA Postcode 5042 State or territory South Australia (SA) Localities 5 Council area Mitcham; Marion Council area based on Australian Bureau of Statistics data (ASGS Edition 3), CC BY 4.0. Postcode 5041 · Postcode 5043