Home Postcodes by state QLD 4487 Postcode 4487 4487 is the postcode for 2 localities in QLD: Begonia and St George. Localities with postcode 4487BegoniaQLDSt GeorgeQLD Postcode 4487 State or territory Queensland (QLD) Localities 2 Council area Maranoa; Balonne Council area based on Australian Bureau of Statistics data (ASGS Edition 3), CC BY 4.0. Postcode 4486 · Postcode 4488