Tello customization! Tello.com is the most flexible mobile provider in the US. That probably why it stands out from the competiton. You can get a plan for as low as $5 per month. They don't throw all sorts of fees at you either. No activation fees, no overage, nothing. Bring your own phone with or choose one from Tello. With Tello.com you get want you want and you pay for what you get.