Home Postcodes by state VIC 3442 Postcode 3442 3442 is the postcode for 9 localities in VIC: Ashbourne, Cadello, Carlsruhe, Cobaw, Hesket, Newham and 3 more. Localities with postcode 3442AshbourneVICCadelloVICCarlsruheVICCobawVICHesketVICNewhamVICRochfordVICWoodendVICWoodend NorthVIC Postcode 3442 State or territory Victoria (VIC) Localities 9 Council area Macedon Ranges Council area based on Australian Bureau of Statistics data (ASGS Edition 3), CC BY 4.0. Postcode 3441 · Postcode 3444