sleepy-hollow postcode nswst Home ›› Postcode Finder ›› NSWST ›› Sleepy-Hollow Sleepy Hollow local listingsThe suburb of Sleepy Hollow is located in NSW and has a postcode of 2483. Free sleepy hollow business listing! Get the first free listing in sleepy hollow! Search and find other Postcodes in New South Wales or widen the search to Postcodes in Australia.