Home Postcodes by state VIC 3427 Postcode 3427 3427 is the postcode for Diggers Rest, VIC. Localities with postcode 3427Diggers RestVIC Postcode 3427 State or territory Victoria (VIC) Localities 1 Council area Melton Council area based on Australian Bureau of Statistics data (ASGS Edition 3), CC BY 4.0. Postcode 3424 · Postcode 3428