yourdamung-lake postcode wa Home ›› Postcode Finder ›› WA ›› Yourdamung-Lake Yourdamung Lake local listingsThe suburb of Yourdamung Lake is located in WA and has a postcode of 6225. Free yourdamung lake business listing! Get the first free listing in yourdamung lake! Search and find other Postcodes in Western Australia or widen the search to Postcodes in Australia.