collingwood-heights postcode wa Home ›› Postcode Finder ›› WA ›› Collingwood-Heights Collingwood Heights local listingsThe suburb of Collingwood Heights is located in WA and has a postcode of 6330. Free collingwood heights business listing! Get the first free listing in collingwood heights! Search and find other Postcodes in Western Australia or widen the search to Postcodes in Australia.