knuckey-lagoon postcode nt Home ›› Postcode Finder ›› NT ›› Knuckey-Lagoon Knuckey Lagoon local listingsThe suburb of Knuckey Lagoon is located in NT and has a postcode of 828. Free knuckey lagoon business listing! Get the first free listing in knuckey lagoon! Search and find other Postcodes in Northern Territory or widen the search to Postcodes in Australia.