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