maxwelton postcode qld Home ›› Postcode Finder ›› QLD ›› Maxwelton Maxwelton local listingsThe suburb of Maxwelton is located in QLD and has a postcode of 4822. Free maxwelton business listing! Get the first free listing in maxwelton! Search and find other Postcodes in Queensland or widen the search to Postcodes in Australia.