Home Postcodes by state VIC 3046 Postcode 3046 3046 is the postcode for 3 localities in VIC: Glenroy, Hadfield and Oak Park. Localities with postcode 3046GlenroyVICHadfieldVICOak ParkVIC Postcode 3046 State or territory Victoria (VIC) Localities 3 Council area Merri-bek Council area based on Australian Bureau of Statistics data (ASGS Edition 3), CC BY 4.0. Postcode 3045 · Postcode 3047