Home Postcodes by state QLD 4359 Postcode 4359 4359 is the postcode for 5 localities in QLD: Budgee, East Greenmount, Greenmount, Hirstglen and West Haldon. Localities with postcode 4359BudgeeQLDEast GreenmountQLDGreenmountQLDHirstglenQLDWest HaldonQLD Postcode 4359 State or territory Queensland (QLD) Localities 5 Council area Toowoomba; Mainly Toowoomba, partly Lockyer Valley Council area based on Australian Bureau of Statistics data (ASGS Edition 3), CC BY 4.0. Postcode 4358 · Postcode 4360