A:AnswerYes you can but you would have to port out to another carrier then start the process over each time. What I do is port to someone else for one month or less then come back to Mint using a new trial sim. This will be my 3rd time going back to mint.
A:AnswerYes you can get a free number with the trial setup then after you have options to keep Same number or port in a phone number you have from a different Carrier