knorrit-flat postcode nswst Home ›› Postcode Finder ›› NSWST ›› Knorrit-Flat Knorrit Flat local listingsThe suburb of Knorrit Flat is located in NSW and has a postcode of 2424. Free knorrit flat business listing! Get the first free listing in knorrit flat! Search and find other Postcodes in New South Wales or widen the search to Postcodes in Australia.