Home Postcodes by state VIC 3084 Postcode 3084 3084 is the postcode for 5 localities in VIC: Banyule, Eaglemont, Heidelberg, Rosanna and Viewbank. Localities with postcode 3084BanyuleVICEaglemontVICHeidelbergVICRosannaVICViewbankVIC Postcode 3084 State or territory Victoria (VIC) Localities 5 Council area Banyule Council area based on Australian Bureau of Statistics data (ASGS Edition 3), CC BY 4.0. Postcode 3083 · Postcode 3085