cullenbone postcode nswst Home ›› Postcode Finder ›› NSWST ›› Cullenbone Cullenbone local listingsThe suburb of Cullenbone is located in NSW and has a postcode of 2850. Free cullenbone business listing! Get the first free listing in cullenbone! Search and find other Postcodes in New South Wales or widen the search to Postcodes in Australia.