Add a line to your account. Get the most out of your plan when you add a line for friends and family. The more lines you add, the less you pay per line.
Buy a new phone. Shop for a new phone, see your phone plan cost, and check out device protection. If you are looking to move your two lines of service or add a second line to a single line of service to T-Mobile, we break down all the costs for you.
The best T-Mobile plans for 2 lines in 2025. Compare Go5G, Essentials, prepaid, and Connect plans with pricing, features, and savings tips. Explore our new Experience cell phone plans.
Compare prices, get exclusive perks like streaming and hotspot, and check out our 5. According to multiple sources, a new "Line On Us" promotion is beginning today for select customers. This free line would be an additional line on your existing account, and would require no additional purchases (other than the $35 Device Connection Charge).
If you're on a plan that doesn't include taxes and fees (like the Experience plans), you'll also end up paying taxes on that. As a long-time analyst of the wireless industry, one of the most common questions I get from consumers is: how many lines can I add to my T-Mobile wireless plan? With the average US household now owning over 10 connected devices according to Deloitte, it's crucial to understand the line limits imposed by carriers like T. Walking you through the four steps for adding a line on T.
For a limited time, select T-Mobile customers who add a new line will get a second line for free. Of course, not all plans are eligible. Find the perfect plan for two with T-Mobile's 2-line phone plans! We've rounded up the best T-Mobile family plans for 2 lines, including unlimited and prepaid 2.
T-Mobile's "Line On Us" promo offers free lines to select customers with 2+ paid lines. Check via T-Life app or store; $35 fee, BYOD required, taxes may apply.
