gapuwiyak postcode nt Home ›› Postcode Finder ›› NT ›› Gapuwiyak Gapuwiyak local listingsThe suburb of Gapuwiyak is located in NT and has a postcode of 880. Free gapuwiyak business listing! Get the first free listing in gapuwiyak! Search and find other Postcodes in Northern Territory or widen the search to Postcodes in Australia.