Home Postcodes by state QLD 4164 Postcode 4164 4164 is the postcode for Thornlands, QLD. Localities with postcode 4164ThornlandsQLD Postcode 4164 State or territory Queensland (QLD) Localities 1 Council area Redland Council area based on Australian Bureau of Statistics data (ASGS Edition 3), CC BY 4.0. Postcode 4163 · Postcode 4165