Home Postcodes by state VIC 3409 Postcode 3409 3409 is the postcode for 12 localities in VIC: Arapiles, Clear Lake, Douglas, Duchembegarra, Grass Flat, Jilpanger and 6 more. Localities with postcode 3409ArapilesVICClear LakeVICDouglasVICDuchembegarraVICGrass FlatVICJilpangerVICMiga LakeVICMitreVICNatimukVICNoradjuhaVICTooanVICWombelanoVIC Postcode 3409 State or territory Victoria (VIC) Localities 12 Council area Horsham; West Wimmera; Mainly Horsham, partly West Wimmera Council area based on Australian Bureau of Statistics data (ASGS Edition 3), CC BY 4.0. Postcode 3407 · Postcode 3412