oaks-estate postcode actst Home ›› Postcode Finder ›› ACTST ›› Oaks-Estate Oaks Estate local listingsThe suburb of Oaks Estate is located in ACT and has a postcode of 2620. Free oaks estate business listing! Get the first free listing in oaks estate! Search and find other Postcodes in Australian Capital Territory or widen the search to Postcodes in Australia.