Home Postcodes by state QLD 4407 Postcode 4407 4407 is the postcode for 4 localities in QLD: Cattle Creek, Cecil Plains, Dunmore and Nangwee. Localities with postcode 4407Cattle CreekQLDCecil PlainsQLDDunmoreQLDNangweeQLD Postcode 4407 State or territory Queensland (QLD) Localities 4 Council area Toowoomba Council area based on Australian Bureau of Statistics data (ASGS Edition 3), CC BY 4.0. Postcode 4406 · Postcode 4408