ferndale postcode wa Home ›› Postcode Finder ›› WA ›› Ferndale Ferndale local listingsThe suburb of Ferndale is located in WA and has a postcode of 6148. Free ferndale business listing! 1Bannister Creek Primary School12 Karri Way 08 935095882Damla College40 Latham Rd 08 93373105 View more business listings in ferndale Search and find other Postcodes in Western Australia or widen the search to Postcodes in Australia.