coonabidgee postcode wa Home ›› Postcode Finder ›› WA ›› Coonabidgee Coonabidgee local listingsThe suburb of Coonabidgee is located in WA and has a postcode of 6503. Free coonabidgee business listing! Get the first free listing in coonabidgee! Search and find other Postcodes in Western Australia or widen the search to Postcodes in Australia.