Home Postcodes by state QLD 4171 Postcode 4171 4171 is the postcode for 3 localities in QLD: Balmoral, Bulimba and Hawthorne. Localities with postcode 4171BalmoralQLDBulimbaQLDHawthorneQLD Postcode 4171 State or territory Queensland (QLD) Localities 3 Council area Brisbane Council area based on Australian Bureau of Statistics data (ASGS Edition 3), CC BY 4.0. Postcode 4170 · Postcode 4172