narran-lake postcode nswst Home ›› Postcode Finder ›› NSWST ›› Narran-Lake Narran Lake local listingsThe suburb of Narran Lake is located in NSW and has a postcode of 2839. Free narran lake business listing! Get the first free listing in narran lake! Search and find other Postcodes in New South Wales or widen the search to Postcodes in Australia.