Home Postcodes by state QLD 4739 Postcode 4739 4739 is the postcode for Carmila, QLD. Localities with postcode 4739CarmilaQLD Postcode 4739 State or territory Queensland (QLD) Localities 1 Council area Isaac Council area based on Australian Bureau of Statistics data (ASGS Edition 3), CC BY 4.0. Postcode 4738 · Postcode 4740