morpeth postcode nswst Home ›› Postcode Finder ›› NSWST ›› Morpeth Morpeth local listingsThe suburb of Morpeth is located in NSW and has a postcode of 2321. Free morpeth business listing! 1Morpeth Public School46 High St 02 493367262KU Maitland Mobile Preschool - MorpethSchool of Arts Hall High Street 02 4933 8777 View more business listings in morpeth Search and find other Postcodes in New South Wales or widen the search to Postcodes in Australia.