joondanna postcode wa Home ›› Postcode Finder ›› WA ›› Joondanna Joondanna local listingsThe suburb of Joondanna is located in WA and has a postcode of 6060. Free joondanna business listing! 1St Denis School2 Orchid St 08 92423422 View more business listings in joondanna Search and find other Postcodes in Western Australia or widen the search to Postcodes in Australia.