hermitage-flat postcode nswst Home ›› Postcode Finder ›› NSWST ›› Hermitage-Flat Hermitage Flat local listingsThe suburb of Hermitage Flat is located in NSW and has a postcode of 2790. Free hermitage flat business listing! Get the first free listing in hermitage flat! Search and find other Postcodes in New South Wales or widen the search to Postcodes in Australia.