Home Postcodes by state QLD 4165 Postcode 4165 4165 is the postcode for 4 localities in QLD: Mount Cotton, Redland Bay, Victoria Point and Victoria Point West. Localities with postcode 4165Mount CottonQLDRedland BayQLDVictoria PointQLDVictoria Point WestQLD Postcode 4165 State or territory Queensland (QLD) Localities 4 Council area Redland Council area based on Australian Bureau of Statistics data (ASGS Edition 3), CC BY 4.0. Postcode 4164 · Postcode 4169