Home Postcodes by state QLD 4715 Postcode 4715 4715 is the postcode for 11 localities in QLD: Biloela, Callide, Castle Creek, Dakenba, Dumgree, Greycliffe and 5 more. Localities with postcode 4715BiloelaQLDCallideQLDCastle CreekQLDDakenbaQLDDumgreeQLDGreycliffeQLDMount MurchisonQLDOrange CreekQLDProspectQLDTarrambaQLDValentine PlainsQLD Postcode 4715 State or territory Queensland (QLD) Localities 11 Council area Banana Council area based on Australian Bureau of Statistics data (ASGS Edition 3), CC BY 4.0. Postcode 4714 · Postcode 4716