Add a line to your account

    Learn how to add a line to your account on My T-Mobile.

     

    To add a line to your account on My T-Mobile:

     

    1. Go to My T-Mobile and log in to your account
    2. Select SHOP.
    3. Select ADD A LINE and follow the on-screen instructions.

     

    Things to know:

    • Only Primary Account Holders can add lines to an account.
    • Additional lines can only be added to postpaid accounts.
    • The account needs to be current.

     

    Related pages

     

    Change your plan

    Change your services