Get a FREE or DISCOUNTED line

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

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

Find a store
Contact customer service

To add a line, we need to move your plan to displayName

We value your loyalty! We no longer sell the plan you’re on and need to move you to displayName, a plan with all the same benefits and more.

Here’s how much it costs to add a new line on displayName

Deposit due today

$depositAmount

Due monthly

$salePrice/month

Cost for this line only. Doesn’t include cost of your device or plan changes to existing lines. Prorated charges may apply on your next bill.

AutoPay discount with eligible payment method will be applied

Save $5/month when you enroll in Autopay

Plan updates: The following item(s) will be removed from your original displayName account:

Note: You may lose your current promotion with this rate plan change. For questions, call our Customer Care at 1-877-279-0611 or find a store near you.

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.