mernot postcode nswst Home ›› Postcode Finder ›› NSWST ›› Mernot Mernot local listingsThe suburb of Mernot is located in NSW and has a postcode of 2422. Free mernot business listing! Get the first free listing in mernot! Search and find other Postcodes in New South Wales or widen the search to Postcodes in Australia.