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