wonthella postcode wa Home ›› Postcode Finder ›› WA ›› Wonthella Wonthella local listingsThe suburb of Wonthella is located in WA and has a postcode of 6530. Free wonthella business listing! 1Allendale Primary School52 Wittenoom St 08 99641888 View more business listings in wonthella Search and find other Postcodes in Western Australia or widen the search to Postcodes in Australia.