Home Postcodes by state SA 5032 Postcode 5032 5032 is the postcode for 3 localities in SA: Brooklyn Park, Lockleys and Underdale. Localities with postcode 5032Brooklyn ParkSALockleysSAUnderdaleSA Postcode 5032 State or territory South Australia (SA) Localities 3 Council area West Torrens Council area based on Australian Bureau of Statistics data (ASGS Edition 3), CC BY 4.0. Postcode 5031 · Postcode 5033