north-boyanup postcode wa Home ›› Postcode Finder ›› WA ›› North-Boyanup North Boyanup local listingsThe suburb of North Boyanup is located in WA and has a postcode of 6237. Free north boyanup business listing! Get the first free listing in north boyanup! Search and find other Postcodes in Western Australia or widen the search to Postcodes in Australia.