Home Postcode finder VIC Gembrook Gembrook postcode VIC Gembrook is a locality in Victoria covered by postcode 3783. Postcode 3783 State or territory Victoria (VIC) Region Ferntree Gully Add a free Gembrook business listing More business listings in Gembrook Businesses in GembrookFrozen Food Manufacturers MelbournePoint400 Mountain Road · (03) 5968 1540 Frozen Food SuppliersPoint400 Mountain Road · (03) 5968 1540Frozenfoodsuppliers400 Mountain Road · 0359681540 Common questionsWhat is the postcode for Gembrook?Gembrook, VIC has the postcode 3783.What state is Gembrook in?Gembrook is in Victoria (VIC).Does postcode 3783 cover more than one suburb?No. Postcode 3783 covers Gembrook only, which is unusual - most Australian postcodes cover several localities. Browse other postcodes in Victoria, or widen the search to every Australian postcode.