I would like to add my daughter as an authorized user. This way she can go to the local office and get a cable box for her tv. She lives with me and is over 18.
All you need to do is call and add your daughter as an authorized user.
1-800-COMCAST (1-800-266-2278) or 1-800-XFINITY (1-800-934-6489)
PS: Also please edit your real name out of your post. Thank you!