http://blog.tello.com/news/tello-is-welcoming-ringplus-customers-30-off-easy-porting-process/
Tello comes to the rescue with a friendly and easy porting process and once
RingPlus customers are up and running with Tello, they get 30% off when they
first order a phone plan. All they need to do is use the coupon code
RINGPLUS on the checkout page and place the order until February 12. Just
imagine how paying 30% less on your phone bill looks like…The discount is
valid for the first month with Tello.