Home Postcodes by state QLD 4799 Postcode 4799 4799 is the postcode for 2 localities in QLD: Bloomsbury and Midge Point. Localities with postcode 4799BloomsburyQLDMidge PointQLD Postcode 4799 State or territory Queensland (QLD) Localities 2 Council area Mackay Council area based on Australian Bureau of Statistics data (ASGS Edition 3), CC BY 4.0. Postcode 4798 · Postcode 4800