Hi there @trar , you'll need to text "start" to 266-278, and if that doesn't work, sign in to My Account and re-add/verify the mobile phone number on your account.
I am an Official Comcast Employee on the Identity Product Team and the Serviceability team at HQ. Official Employees are from multiple teams within Comcast: CARE, Product, Leadership. We ask that you post publicly so people with similar questions may benefit from the conversation. Was your question answered? Mark the post as Best Answer!