cooladar-hill postcode wa Home ›› Postcode Finder ›› WA ›› Cooladar-Hill Cooladar Hill local listingsThe suburb of Cooladar Hill is located in WA and has a postcode of 6638. Free cooladar hill business listing! Get the first free listing in cooladar hill! Search and find other Postcodes in Western Australia or widen the search to Postcodes in Australia.