Make yourself the Primary Account Holder for a multiline account

    Being the Primary Account Holder on a multiline account allows you to do the following:


    • Set online access permissions for the other people on your account.
    • Choose how much information other people on your account can see in areas such as Billing.
    • Manage the ability of other people on the account to make changes to their rate plans, services, or other options.


    Note: These online account management features are currently not available for business, government, and Monthly4G customers.


    To establish yourself as the Primary Account Holder for your account, follow these steps:


    1. Go to My T-Mobile and log in.
    2. Click Manage.
    3. Click Your profile.
    4. Click edit beside Account Security Settings.
    5. On the Profile: Account Security page, enter two pieces of information:  
      • Last 4 digits of your Social Security Number
      • Date of Birth
    6. Click Update. After the information is verified, a confirmation displays.
    7. Under Account Security Settings, set up online permissions for the other lines on the account.
    8. Assign account access levels for lines on the account.
    9. Click Save Changes when complete.
    10. View the next page for a summary of the changes. The permissions are now in effect for the selected line.