maitland-vale postcode nswrv Home ›› Postcode Finder ›› NSWRV ›› Maitland-Vale Maitland Vale local listingsThe suburb of Maitland Vale is located in NSW and has a postcode of 2320. Free maitland vale business listing! Get the first free listing in maitland vale! Search and find other Postcodes in New South Wales or widen the search to Postcodes in Australia.