south-guildford postcode wa Home ›› Postcode Finder ›› WA ›› South-Guildford South Guildford local listingsThe suburb of South Guildford is located in WA and has a postcode of 6055. Free south guildford business listing! Get the first free listing in south guildford! Search and find other Postcodes in Western Australia or widen the search to Postcodes in Australia.