There was a discussion on this a couple of years ago, but I think things have changed with the sale of the company. I just returned to the US from a trip to the DR, where I bought a Claro SIM card for my phone. My activation will expire at the end of December, but I will not be able to return til January at the earliest. I can get a new SIM when I go back of course, but I would like to keep the same number. Is there a way to keep this number active by buying minutes online or a number to call from here in the US and add minutes from a card?