maitland postcode nswst Home ›› Postcode Finder ›› NSWST ›› Maitland Maitland local listingsThe suburb of Maitland is located in NSW and has a postcode of 2320. Free maitland business listing! 1All Saints College2 Grant St 02 493361772All Saints College9 Free Church St 02 493366393Maitland Public SchoolElgin St 02 49336532 View more business listings in maitland Search and find other Postcodes in New South Wales or widen the search to Postcodes in Australia.