scaddan postcode wa Home ›› Postcode Finder ›› WA ›› Scaddan Scaddan local listingsThe suburb of Scaddan is located in WA and has a postcode of 6447. Free scaddan business listing! 1Scaddan Primary SchoolKendall Rd 08 90756055 View more business listings in scaddan Search and find other Postcodes in Western Australia or widen the search to Postcodes in Australia.