How To Activate An Old Phone Number. Continue answering the prompts based on your needs. If you dont currently have a phone active on the line is it a line where the phone died and that is the reason you need to activate an old phone or are you trying to start a new line of service.

Getting a new phone is exciting. Activate the phone from the drop-down menu by choosing the type of device you want to add. Can I get a new SIM card with my old number.
Turn on the phone you would like to activate.
You can also go into any Xfinity store and have them. Remember your Assurance Wireless number is. In that scenario what youd want to do is to put the SIM card from your old iPhone into the new one. Turn on the phone you would like to activate.
