Home Postcodes by state QLD 4364 Postcode 4364 4364 is the postcode for Brookstead, QLD. Localities with postcode 4364BrooksteadQLD Postcode 4364 State or territory Queensland (QLD) Localities 1 Council area Toowoomba Council area based on Australian Bureau of Statistics data (ASGS Edition 3), CC BY 4.0. Postcode 4363 · Postcode 4365