hollisdale postcode nswdl Home ›› Postcode Finder ›› NSWDL ›› Hollisdale Hollisdale local listingsThe suburb of Hollisdale is located in NSW and has a postcode of 2446. Free hollisdale business listing! Get the first free listing in hollisdale! Search and find other Postcodes in New South Wales or widen the search to Postcodes in Australia.