Home Postcodes by state QLD 4425 Postcode 4425 4425 is the postcode for 2 localities in QLD: Bogandilla and Dulacca. Localities with postcode 4425BogandillaQLDDulaccaQLD Postcode 4425 State or territory Queensland (QLD) Localities 2 Council area Western Downs Council area based on Australian Bureau of Statistics data (ASGS Edition 3), CC BY 4.0. Postcode 4424 · Postcode 4426