tiwi postcode nt Home ›› Postcode Finder ›› NT ›› Tiwi Tiwi local listingsThe suburb of Tiwi is located in NT and has a postcode of 810. Free tiwi business listing! 1Dripstone High SchoolDelamer St 08 892022992Darwin Dermatology5 Tiwi Gardens Road 08894570863Mark Salmon Electrical16 Undoolya Street, Tiwi Northern Territory 0810, Australia 61 0418855550 View more business listings in tiwi Search and find other Postcodes in Northern Territory or widen the search to Postcodes in Australia.