Plz or PLZ may refer to: Plz, "please" in texting shorthand Postleitzahl or PLZ, postal-code abbreviation in German-speaking countries PLZ, the old (1950–1994) ISO 4217 code for the Polish złoty PLZ, IATA airport code for Port Elizabeth Airport in Eastern Cape, South Africa plz, the ISO 639-3 code for the Paluan language PLZ, a London rap group that helped launch Reggie Rockstone's career PLZ, ICAO code for Planet Airways, an American airline 1995–2005 See also PLZ&W, an American short-line railroad