gunpowder postcode qldga Home ›› Postcode Finder ›› QLDGA ›› Gunpowder Gunpowder local listingsThe suburb of Gunpowder is located in QLD and has a postcode of 4825. Free gunpowder business listing! Get the first free listing in gunpowder! Search and find other Postcodes in Queensland or widen the search to Postcodes in Australia.