brawboy postcode nswst Home ›› Postcode Finder ›› NSWST ›› Brawboy Brawboy local listingsThe suburb of Brawboy is located in NSW and has a postcode of 2337. Free brawboy business listing! Get the first free listing in brawboy! Search and find other Postcodes in New South Wales or widen the search to Postcodes in Australia.