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Get help with the T-Mobile MultiLine Management Portal. For steps on using the app, check out T-Mobile MultiLine app.

What you need

  • The latest version of Chrome, Edge, or Safari
  • A T-Mobile MultiLine subscription

Log in for the first time

  1. Select the link in the activation email to access the portal.
  2. Use the User ID and password provided in the email to log in.
  3. Enter a new password for your account.
  4. Once you’ve logged in, you can get started setting up your organization.

We recommend reviewing the Complete Guide to Deploying MultiLine for a better understanding on how to deploy MultiLine for your organization.

Profile & organization

Get help managing your administrator profile and organization.

Admin accounts

Learn how to manage Admin roles & invite admins.


Find out about how to manage numbers and their statuses.

User accounts & invitations

Setup & manage your user accounts.

Security & compliance

Keep everything secure with alerts and 2FA.

Reporting & metrics

Stay focused on performance with reporting & metrics.

Additional help

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