It does not say what plans it works for. It is a prepaid phone card. Most folks use it for long distance calls, but I listed the toll free number for you to call, if you like. ")
It is by STI. It is for making calls and long distance calls, from a land line, I guess? It was given to me by a friend.
For more info: call 888/-679-9915 STI to ask if it works with your cell phone. I do KNOW it works on the house phones, folks that can't afford a cell phone and can't afford long distance service on their house phone, this would be great for them!