upper-mangrove postcode nswdl Home ›› Postcode Finder ›› NSWDL ›› Upper-Mangrove Upper Mangrove local listingsThe suburb of Upper Mangrove is located in NSW and has a postcode of 2250. Free upper mangrove business listing! Get the first free listing in upper mangrove! Search and find other Postcodes in New South Wales or widen the search to Postcodes in Australia.