Home Postcodes by state VIC 3390 Postcode 3390 3390 is the postcode for 2 localities in VIC: Kewell and Murtoa. Localities with postcode 3390KewellVICMurtoaVIC Postcode 3390 State or territory Victoria (VIC) Localities 2 Council area Yarriambiack Council area based on Australian Bureau of Statistics data (ASGS Edition 3), CC BY 4.0. Postcode 3388 · Postcode 3391