Get a free Smoothie King smoothie just use your mobile phone and TEXT SK547 to 21333. Show the TEXT within 2 days at Smoothie King and get a free 20 oz. smoothie. According to the SmoothieKing.com web site “Smoothie King is a privately held New Orleans, Louisiana-area based franchise company and is the premier Smoothie Bar and Nutritional Lifestyle Center in the industry. To find a Smoothie King near you visit SmoothieKing.com and select your state. Sad! There’s no Smoothie Kings in Washington State.