merrygoen postcode nswst Home ›› Postcode Finder ›› NSWST ›› Merrygoen Merrygoen local listingsThe suburb of Merrygoen is located in NSW and has a postcode of 2831. Free merrygoen business listing! Get the first free listing in merrygoen! Search and find other Postcodes in New South Wales or widen the search to Postcodes in Australia.