T-Mobile: Free Voice Line (New & Existing Customers)

T-Mobile logo on store building

T-Mobile is offering a free voice line for both new and existing customers! This deal is available on most plans – more details below.

Ninja Update 9/24/2020: Last day of the promotion. The call center and social media services are closed, but you can add a line by yourself. Go to your T-Mobile account on the web and add a line. When you do, the order will show a $10 SIM card fee and another fee for your new line. Ignore the fee for the new line. You’ll get a text confirming the promotion and it will show on your account as free.

Ninja Update 9/18/20: Deal is back! You can get another free line (even if you got a free line already from previous promotions). If the T-Mobile rep you’re working with can’t find the offer details, reference the Offer ID: PR213061/BGS32 and Discount Code: 20Q32#.

T-Mobile Free Voice Line Offer

Direct Link To Promotion

Similar to a deal Sprint customers are getting, T-Mobile is offering new and existing customers a free voice line! The deal will go live starting on June 26, 2020 September 18, 2020 in stores and online.

T-Mobile "Get a FREE line" promotion

New T-Mobile Customers

New T-Mobile customers that activate 2 voice lines will get the third voice line for free.

Existing T-Mobile Customers

As long as you have 2 paid voice lines on a qualifying plan, you’re eligible to add a third voice line for free.

What’s a voice line?

T-Mobile, like other carriers, offers different types of lines:

  • Voice lines: phone with a number and an associated mobile data plan (this is what this promo offers – you’re adding a line to your account that gets the same features of your account plan)
  • Mobile Internet lines: tablets and hotspots used for internet (no phone number associated with the service)
  • Wearable lines: smart watches with data capabilities (no phone number associated with the service)

The other stipulation is if you’ve canceled a line in your account in the past 90 days, you won’t be eligible.

Qualifying Plans

All qualifying plans aren’t clear at this time, but we do know that qualifying voice plans confirmed as eligible for this offer are:

  • Simple Choice
  • Magenta
  • Magenta Plus
  • Magenta Amplified Family Plan
  • Essentials
  • One
  • One Plus
  • One Amplified Family Plan

The discounts plans below don’t qualify for this offer:

  • Select Choice
  • Military
  • First Responder
  • 55+

Stackable With Other T-Mobile Deals

Free Phone & 50% Off Phone Deals

What makes this free voice line a very hot deal is the fact that you’re able to combine this with other T-Mobile offers!

For example, currently on their web site, T-Mobile has a limited-time offer of 50% off an Apple iPhone XS when you add a line. The strategy for them here is to get additional revenue through your monthly service to offset the money they lost from giving you an iPhone for half its retail price.

Well, with the free voice line deal, you’re making out big!

You’re adding the line free and getting an expensive iPhone model for 50% off!

T-Mobile 50% off iPhone XS promotion

$250 Bring Your Own Device (BYOD) Deals

This one is aimed specifically for Verizon and AT&T subscribers. If you port your number and use your existing phone, T-Mobile will pay you an additional $250!

Technically, you don’t even need to be a Verizon or AT&T customer either. As long as you have a phone you currently don’t use with T-Mobile, you can basically buy a Verizon/AT&T number to port in.

The latest promo code for this is “2020BYOD1” (valid between 9/18/20 – 10/1/20). For more details, you can check our post on this.

The Bottom Line

This is an extremely rare no-stipulation free line (like the free line offered back in 2016).

There have been promotions like this in the past, but T-Mobile usually requires existing customers to add a new paid voice line in order to get one free. This offer is much more generous. It is truly free if you are eligible. Keep in mind you still need to pay government-imposed taxes on the free line, but it only comes out to a few dollars a month.


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