marthaguy postcode nsw Home ›› Postcode Finder ›› NSW ›› Marthaguy Marthaguy local listingsThe suburb of Marthaguy is located in NSW and has a postcode of 2824. Free marthaguy business listing! Get the first free listing in marthaguy! Search and find other Postcodes in New South Wales or widen the search to Postcodes in Australia.