Home Postcodes by state QLD 4478 Postcode 4478 4478 is the postcode for 10 localities in QLD: Bayrick, Caldervale, Lansdowne, Lumeah, Macfarlane, Minnie Downs and 4 more. Localities with postcode 4478BayrickQLDCaldervaleQLDLansdowneQLDLumeahQLDMacfarlaneQLDMinnie DownsQLDScrubby CreekQLDTamboQLDWindeyerQLDYandarloQLD Postcode 4478 State or territory Queensland (QLD) Localities 10 Council area Blackall Tambo Council area based on Australian Bureau of Statistics data (ASGS Edition 3), CC BY 4.0. Postcode 4477 · Postcode 4479