maitland-bar postcode nswrv Home ›› Postcode Finder ›› NSWRV ›› Maitland-Bar Maitland Bar local listingsThe suburb of Maitland Bar is located in NSW and has a postcode of 2850. Free maitland bar business listing! Get the first free listing in maitland bar! Search and find other Postcodes in New South Wales or widen the search to Postcodes in Australia.