east-newdegate postcode wa Home ›› Postcode Finder ›› WA ›› East-Newdegate East Newdegate local listingsThe suburb of East Newdegate is located in WA and has a postcode of 6355. Free east newdegate business listing! Get the first free listing in east newdegate! Search and find other Postcodes in Western Australia or widen the search to Postcodes in Australia.