guildford-west postcode nswst Home ›› Postcode Finder ›› NSWST ›› Guildford-West Guildford West local listingsThe suburb of Guildford West is located in NSW and has a postcode of 2161. Free guildford west business listing! Get the first free listing in guildford west! Search and find other Postcodes in New South Wales or widen the search to Postcodes in Australia.