humpty-doo postcode nt Home ›› Postcode Finder ›› NT ›› Humpty-Doo Humpty Doo local listingsThe suburb of Humpty Doo is located in NT and has a postcode of 836. Free humpty doo business listing! Get the first free listing in humpty doo! Search and find other Postcodes in Northern Territory or widen the search to Postcodes in Australia.