Au 421 Cafe-Bar-Restaurant is a bar at 12 Rue Labat, 75018 Paris, France, in Paris’s 18th arrondissement. A short walk away: Marinooooo (60 m), Le Celtique bar tabac (100 m) and Le Marhaba (130 m). When Au 421 Cafe-Bar-Restaurant posts a deal or a happy hour on TchinTchinNow, you book it online and pay at the bar.