Buy One Get One Line Free On Experience More or Experience Beyond.

With monthly credits when you add 2 voice lines on a qualifyng plan. Discount applied after checkout. See terms

You’re adding a new line to America’s largest & fastest 5G network!

You’re adding a new line to America’s largest & fastest 5G network!

To add another line, we’re upgrading you to the newPlanDisplayName plan

Your currentPlanDisplayName plan can't support another line. We recommend our newPlanDisplayName plan which is similar with great benefits. If you prefer to keep your current plan, you won't be able to add a line.

Here’s what to expect:

  • Your first charge will be prorated on your next bill
  • Only pay taxes, fees and a today
  • Monthly cost breakdown is for this line only and doesn’t include the cost of your device. This will also change the plan on all existing lines on your account.
  • You may lose your current promotion with this rate plan change. for more information.
  • Your first charge will be prorated on your next bill
  • Only pay taxes, fees and a  today

Your current plan

Here’s what to expect:

  • Your first charge will be prorated on your next bill
  • Only pay taxes, fees and a today
  • Monthly cost breakdown is for this line only and doesn’t include the cost of your device. This will also change the plan on all existing lines on your account.
  • You may lose your current promotion with this rate plan change. for more information.
  • Your first charge will be prorated on your next bill
  • Only pay taxes, fees and a  today

Looks like you’ve reached your line limit

You’ve already added the maximum number of lines for your account. You can still upgrade a device or shop for accessories.   Want to explore options for adding a line? Call us at 1-800-937-8997.


We're having problems adding a new line based on your current rate plan.

To add a new line, call Care or visit a T-Mobile store