holmesville postcode nswst Home ›› Postcode Finder ›› NSWST ›› Holmesville Holmesville local listingsThe suburb of Holmesville is located in NSW and has a postcode of 2286. Free holmesville business listing! Get the first free listing in holmesville! Search and find other Postcodes in New South Wales or widen the search to Postcodes in Australia.