salmon-gums postcode wa Home ›› Postcode Finder ›› WA ›› Salmon-Gums Salmon Gums local listingsThe suburb of Salmon Gums is located in WA and has a postcode of 6445. Free salmon gums business listing! Get the first free listing in salmon gums! Search and find other Postcodes in Western Australia or widen the search to Postcodes in Australia.