Home Postcodes by state QLD 4065 Postcode 4065 4065 is the postcode for Bardon, QLD. Localities with postcode 4065BardonQLD Postcode 4065 State or territory Queensland (QLD) Localities 1 Council area Brisbane Council area based on Australian Bureau of Statistics data (ASGS Edition 3), CC BY 4.0. Postcode 4064 · Postcode 4066