marsfield postcode nswst Home ›› Postcode Finder ›› NSWST ›› Marsfield Marsfield local listingsThe suburb of Marsfield is located in NSW and has a postcode of 2122. Free marsfield business listing! 1Marsfield Dental Care52 Waring Street, Marsfield, New South Wales, 2122 +61 2 9887 19612Building Harmony34 Lucinda Road, Marsfield NSW, Australia +61 4051959593Imaginations Pre-School33 Agincourt Rd 0403644475 View more business listings in marsfield Search and find other Postcodes in New South Wales or widen the search to Postcodes in Australia.