Home Postcodes by state QLD 4461 Postcode 4461 4461 is the postcode for Muckadilla, QLD. Localities with postcode 4461MuckadillaQLD Postcode 4461 State or territory Queensland (QLD) Localities 1 Council area Maranoa Council area based on Australian Bureau of Statistics data (ASGS Edition 3), CC BY 4.0. Postcode 4455 · Postcode 4462