Home Postcodes by state VIC 3024 Postcode 3024 3024 is the postcode for 3 localities in VIC: Mambourin, Mount Cottrell and Wyndham Vale. Localities with postcode 3024MambourinVICMount CottrellVICWyndham ValeVIC Postcode 3024 State or territory Victoria (VIC) Localities 3 Council area Wyndham; Mainly Melton, partly Wyndham Council area based on Australian Bureau of Statistics data (ASGS Edition 3), CC BY 4.0. Postcode 3023 · Postcode 3025