japoonvale postcode qldga Home ›› Postcode Finder ›› QLDGA ›› Japoonvale Japoonvale local listingsThe suburb of Japoonvale is located in QLD and has a postcode of 4856. Free japoonvale business listing! Get the first free listing in japoonvale! Search and find other Postcodes in Queensland or widen the search to Postcodes in Australia.