willowvale postcode qldbi Home ›› Postcode Finder ›› QLDBI ›› Willowvale Willowvale local listingsThe suburb of Willowvale is located in QLD and has a postcode of 4370. Free willowvale business listing! Get the first free listing in willowvale! Search and find other Postcodes in Queensland or widen the search to Postcodes in Australia.