eaton postcode nt Home ›› Postcode Finder ›› NT ›› Eaton Eaton local listingsThe suburb of Eaton is located in NT and has a postcode of 820. Free eaton business listing! 1Hanrob Pet Hotels Darwin16 Larkin Avenue, Eaton NT, Australia 1300426762 View more business listings in eaton Search and find other Postcodes in Northern Territory or widen the search to Postcodes in Australia.