Lots of services have sprung up allowing you to rate business and service providers. Tello thinks the people who work at those businesses deserve ratings of their own. To that end, the company is ...

Follow these steps to port your phone number: That’s all there is to it ... If you have any issues with activating your Tello Mobile SIM card, you can contact Tello customer service via email at ...

And, unlike other reviews sites that draw out snarky users, more than 80% of Tello reviews (during their alpha), were positive. “Customer service is ... out their slick mobile site.