A:Answer Adding the phone numbers would really be if the salesperson was willing to do it for you. It really is not that hard to do it yourself, it is just time consuming depending on how many phone numbers you have. There are many options for the number of minutes and days of service, just go to the Tracfone site or shop at where you bought your phone. Yes, you can transfer your exiting number to the Tracfone. Your best bet is to contact the Tracfone customer service, I have called them three times in 6 years and never had a problem or difficulty with them handing my problem.