larrakeyah postcode nt Home ›› Postcode Finder ›› NT ›› Larrakeyah Larrakeyah local listingsThe suburb of Larrakeyah is located in NT and has a postcode of 820. Free larrakeyah business listing! 1Larrakeyah Primary School3 Packard St 08 89813211 View more business listings in larrakeyah Search and find other Postcodes in Northern Territory or widen the search to Postcodes in Australia.