gosforth postcode nswrv Home ›› Postcode Finder ›› NSWRV ›› Gosforth Gosforth local listingsThe suburb of Gosforth is located in NSW and has a postcode of 2320. Free gosforth business listing! Get the first free listing in gosforth! Search and find other Postcodes in New South Wales or widen the search to Postcodes in Australia.