Home Postcodes by state VIC 3340 Postcode 3340 3340 is the postcode for 12 localities in VIC: Bacchus Marsh, Balliang, Balliang East, Coimadai, Darley, Glenmore and 6 more. Localities with postcode 3340Bacchus MarshVICBalliangVICBalliang EastVICCoimadaiVICDarleyVICGlenmoreVICHopetoun ParkVICLong ForestVICMaddingleyVICMerrimuVICParwanVICRowsleyVIC Postcode 3340 State or territory Victoria (VIC) Localities 12 Council area Moorabool; Mainly Greater Geelong, partly Moorabool; Mainly Moorabool, partly Melton Council area based on Australian Bureau of Statistics data (ASGS Edition 3), CC BY 4.0. Postcode 3338 · Postcode 3341