gillenbah postcode nswst Home ›› Postcode Finder ›› NSWST ›› Gillenbah Gillenbah local listingsThe suburb of Gillenbah is located in NSW and has a postcode of 2700. Free gillenbah business listing! Get the first free listing in gillenbah! Search and find other Postcodes in New South Wales or widen the search to Postcodes in Australia.