Home Postcodes by state QLD 4745 Postcode 4745 4745 is the postcode for Dysart, QLD. Localities with postcode 4745DysartQLD Postcode 4745 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 4744 · Postcode 4746