banjup postcode wa Home ›› Postcode Finder ›› WA ›› Banjup Banjup local listingsThe suburb of Banjup is located in WA and has a postcode of 6164. Free banjup business listing! 1Williams Tree ProHarper Road 0416 356 359 View more business listings in banjup Search and find other Postcodes in Western Australia or widen the search to Postcodes in Australia.