sugarloaf postcode nsw Home ›› Postcode Finder ›› NSW ›› Sugarloaf Sugarloaf local listingsThe suburb of Sugarloaf is located in NSW and has a postcode of 2420. Free sugarloaf business listing! Get the first free listing in sugarloaf! Search and find other Postcodes in New South Wales or widen the search to Postcodes in Australia.