myall-park postcode nswst Home ›› Postcode Finder ›› NSWST ›› Myall-Park Myall Park local listingsThe suburb of Myall Park is located in NSW and has a postcode of 2681. Free myall park business listing! Get the first free listing in myall park! Search and find other Postcodes in New South Wales or widen the search to Postcodes in Australia.