munglinup postcode wa Home ›› Postcode Finder ›› WA ›› Munglinup Munglinup local listingsThe suburb of Munglinup is located in WA and has a postcode of 6450. Free munglinup business listing! Get the first free listing in munglinup! Search and find other Postcodes in Western Australia or widen the search to Postcodes in Australia.