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Select T-Mobile Accounts w/ Qualifying 2+ Line Plans: Get A New Line Expired

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+286 Deal Score
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T-Mobile.com offers Existing T-Mobile Customers on Eligible Plans with 2 Lines or More to add a New Line for Free (via monthly bill credits).

Thanks to community member coolchicagoguy for finding this deal.

What Do I Need To Do To Get This Offer?
  • This is a targeted offer from T-Mobile and is only open to select existing customers that meet the following requirement:
    • You must have a qualifying T-Mobile postpaid plan with 2 or more lines that falls under one of the following SOC Codes shown in this image (thanks to Reddit user Jman100_JCMP; see instructions below on how to find your SOC code).
      • SOC (Service Order Code) is the technical term used to describe plans and services that are added to customers' accounts within T-Mobile's billing systems.
    • If you are certain you qualify, login to your account below and:
    • Alternatively, you may call T-Mobile and a representative can assist you with adding your 3rd line.
      • If calling, promotion name is "2021 Line On Us P6".
Instructions to find your SOC code (thanks to Reddit user massiveprodigy):
  1. Using the Google Chrome web browser (desktop version), open the Developer tools panel on the right (Ctrl+Shift+I)
  2. Click on Network tab
  3. Click on XHR tab
  4. Log in my.t-Mobile.com and click Account at the top.
  5. In developer tools panel, choose manageaccount from the list on the left
  6. Account level promos will appear under accountDiscounts
  7. Line level features will appear under lines > # > addOns
  8. If there is a pending change, you can see exactly what it is by clicking productsPendingChange
  9. Rate plan appears under ratePlans
Can This Be Combined With Other Offers?
  • Can be combined with device offers on the same line.
  • Costco & T-Mobile rebate promos are NOT stackable with the free line.

Original Post

Written by
Edited March 16, 2021 at 01:27 PM by
Free line requires 2+ existing lines. New customers or existing customers with one line have different requirements. Does NOT stack with Costco or T-Mobile rebates.

https://www.reddit.com/r/tmobile/...free_line/

From Reddit:
Customers on an eligible plan (list below) with 2 or more paid voice lines can add another voice line for free via monthly bill credits. Business plans are included. Customers must not already be at their rate plan's maximum number of lines. Business customers must have less than 12 lines to qualify.

You must maintain all the lines you have now + the free one for 12 months to keep the free line credits. After that, you must maintain at least 2 paid lines + this free line to keep the bill credits.

This promo will actively take priority over the current Third Line Free promo. This means new accounts adding 3 lines or existing accounts with 1 line adding 2 lines will receive this promo, not third line free, meaning they will not stack unless you already had third line free to begin with.

The free line stacks with phone promos currently available, as well as Carrier Freedom/Keep and Switch/Zero Cost to Switch. It does not stack with Costco or T-Mobile rebate promos.

BOGO for T-Mobile ends 3/16 - https://slickdeals.net/f/14878039-t-mobile-2021-buy-one-get-one-voice-add-a-line-for-existing-customers-ymmw

20% Hookup - https://www.reddit.com/r/tmobile/..._17th_for/ - This is YMMV for targeted Home Internet & Connected Device customers.

From Reddit:
Starting March 17th the Insider Hookup will return for existing T-Mobile customers that have Home Internet or Connected Devices with no voice lines.

This promo will allow you to port in from your existing carrier and get 20% off all voice lines for the lifetime of the account.

To clarify: The only people eligible for this upcoming Insider Hookup are Existing T-Mobile customers that do NOT already have voice lines at all. You must have Home Internet from T-Mobile or a connected device like a tablet or hotspot, but you can not already have voice lines.

QA note: YMMV https://www.t-mobile.com/offers/deals-hub
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Community Wiki

Last Edited by Jman100 March 23, 2021 at 08:46 AM
TODAY IS THE LAST DAY FOR THIS PROMO AS WELL AS THE IPHONE PROMOS.
If you are using a phone promo on the free line that requires a port in, you MUST complete the port in by end of day TODAY, March 23rd.

--------

T-Mobile has updated the SOC list again to revert it back to an earlier version. It now includes more SOCs. The SOC image in the main post has been updated. -- Jman100

--------

To find your SOC code for your rate plan, you can call CS 611 and ask, or figure it out yourself:
  1. Install the Chrome extension: https://chrome.google.com/webstor...ldjhocmmpl
  2. Add the Firefox extension: https://addons.mozilla.org/en-US/...mo-helper/
  3. Go old school and sift through the web code: https://www.reddit.com/r/tmobile/...soc_codes/
Maximum (Voice) Lines per SOC code:
SCFUTTBD: 10 lines

-------
Quote from ouloat :
For anyone looking to buy a iPhone 8 for the trade-in requirement for Tmobile's iPhone 12, the following are the different sources ranked from best to worst. Keep in mind the phone carrier doesn't matter for the trade-in, so it can be unlocked, AT&T, Verizon, T-mobile, anything. Phone must not have water damage, cracked screen, anything that could be perceived as a cracked screen, password lock, or icloud lock. Small dents, scratches, screen burn, and weak batteries are okay.

Trademore - iPhone 8 starting at $159 [trademore.com]
Folks in the Cricket iPhone SE thread been trading their iPhone SE's for $200 Paypal from Trademore, so we know they are legit. They are also the trade-in inspector one of the cell carriers (Verizon or AT&T), so doubt they will sell anything that doesn't pass inspection. They will probably be your safest bet to acquire a good quality trade-in. Shipping is included in the price.

Swappa - iPhone 8 starting at $158 [swappa.com]
Swappa's policy is no junk, so you are covered if you receive something you can't trade in. That said, since everyone is a third party, you get a wide variety of prices and conditions. I have received cracked screens before, but the seller took it back immediately. Still, this may cause you to lose this Tmobile promotion. Shipping is included in the price.

Local (Craigslist, Offerup, etc)
Your experience will vary, and the onus is on you to validate the phone is ready for trade-in. You might score with a great deal, or you might get ripped off. Only go this route if you know how to inspect phones or you need the phone the same day.

eBay [ebay.com]
You will have to read each listing very carefully, since there are listings for cracked, water damaged, icloud locked, or otherwise untradeable phones. Returns policies also vary by seller. Unless you score an amazing deal on ebay, Trademore or Swappa are safer options.

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Featured Comments

If you remove any paid lines within the first year, the free line loses the promo and becomes paid.

TMO doesn't want people doing what you're wanting to do.

To accomplish it, you would need to:

1. Add free line.
2. Wait a year + one day.
3. Port out paid line to another carrier.
4. Keep paid line active on another carrier for 90 days (to preserve number).
5. Port old number back in on free line.

This whole process has taken you 1.25 years. Peace
My port-in was initiated during T439 promo period and completed today outside of the promo period. Without the port in (with only the added line and traded-in) I was on a bad promo. Once the port-in completed today, the system auto updated to T439 promo in my account --> promotions. Therefore, I don't think it was a requirement the port-ins must be completed by 3/24 EOB, just as long as they are initiated.
YES, you can use this sim in your iPad. I pay for 2 lines and have 3 free lines on promotion (5 lines total)
I have 2 of my free lines in a iPad and a Samsung S4 tablet, with UNLIMITED data.
You have to call them and tell them you want to use the line (promo line) in a tablet but don't want to lose the promotion and you don't want to open a new line for this.
What they did for me, was block the phone service on the line and kept the messaging and data. That way I am able to use it in my tablet.
Every summer my daughter comes and visit from Germany. I take one of the sim card out of my tablet and put it in her phone..
I call T-Mobile and have them unblock the phone service. That way, my daughter has a phone while she is here in country.
When she leaves I call them back and get it blocked again. I have been doing this for close to 5 years. So I know for a fact it works.
Tomorrow I will be calling to try and get another free line.. (Fingers Crossed)
Hope this helps

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> bubble2 428 Posts
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fxsts
03-18-2021 at 05:11 PM.
03-18-2021 at 05:11 PM.
Quote from envy270 :
In the recent past I was able to port to Metro (T-MO). No issues.
I could be wrong, but being able to port in and being able to be qualified for the promotion are two different thing.
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> bubble2 381 Posts
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shockx
03-18-2021 at 05:12 PM.
03-18-2021 at 05:12 PM.
Quote from waterchange :
If the 9th line you're adding is free, your monthly cost will still be $160.

If it's a paid 9th line, your total will be $176. The 9th thru 12th lines are normally +$30 each but one of your existing free lines will automatically take over that $30 slot so your adding $20 - 20% hookup.

If you're looking at it online showing the $270 total, that doesn't include all of your discounts/free lines. $270 - $30 free 9th line - $20 free 8th line - $44 (20% hookup on remaining $220) = $176. Or it's $270 - $30 free 9th line - $20 free 8th line - $20 free 7th line - $40 (20% on remaining $200) = $160.

MAGENTA9 is the original Magenta 1.0 plan and MGNTA9 is the newly announced Magenta plan (5GB hotspot, 100GB priority data). Definitely switch to the new Magenta plan as your free lines and hookup transfer over; there's no downside to the switch.
Thanks a lot! Just saw your response. 9-12 line numbers are completely new to me lol. I expect 9th to be free. Even if it's not, still makes sense to get it imho. Yes, looks like $270 doesn't include my existing discounts, and it looks like MGNTA9 with 5GB hotspot and 100GB priority data. I am attaching that screenshot here.

Switching to MGNTA9: is it sort of automatic/default route in the T-Mobile system for current Magenta 1.0 upgrades? Meaning is it risky doing this upgrade at costco kiosk while opening a 9th line? Don't want to lose hookup and existing two free lines in transition. Smilie
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Last edited by shockx April 3, 2021 at 06:51 PM.
Joined Jun 2009
L10: Grand Master
> bubble2 8,002 Posts
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Deal2go
03-18-2021 at 05:17 PM.
03-18-2021 at 05:17 PM.
Quote from waterchange :
Unlock your number here to allow it to be ported out: https://www.google.com/voice/b/0/unlock

Your account number is your 10 digit GV phone number and your account PIN is your voicemail PIN code.

Again the link just takes me to my google voice number and nothing about how to unlock an . What is unlock and how?
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bggarric
03-18-2021 at 05:22 PM.
03-18-2021 at 05:22 PM.
Looking to obtain a port in # will pay Amzn GC
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Joined Sep 2005
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> bubble2 285 Posts
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dcheng
03-18-2021 at 05:22 PM.
03-18-2021 at 05:22 PM.
Quote from chrissmith :
For 9-12 lines, it will be $310 for 9 lines without autopay + $30 for additional lines. You have 2 free lines now, and will have the 9th line free.
So for 9 lines (9th line free) it should be:
$310 - $40 (autopay discount) - $54 (Hook up Insider discount) - $30 X 3 for free lines = $126.

OK, now that I have the free line added (my 8th total line), and I see the promos, it definitely looks like it might make sense just to add a 9th line, even if it's paid. My situation is very slightly different, but I think this is what it would be:

I am currently at $143 for 8 voice lines (4 paid, 4 free) plus an Apple Watch line at $10 + $5 since I have the auto-pay discount on the 8 voice lines.

If I add a new line, even if it's paid, my total price should go down because I would have 5 paid lines, 4 free lines, plus the Apple Watch line:
- As chrissmith stated, I start at $310
- $40 autopay discount
- $54 insider discount
- $30 x 4 free lines ($120)
- Total $96 for the voice lines
- Add $15 for Apple Watch line, so I am back to $111

I can reduce it further by dropping the Apple Watch line to 500 MB instead of unlimited, but that's for a different discussion.

Is my math right? If so, I'm back to Costco to see if I can get another $150 on a BYOD...Smilie
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wenstinator
03-18-2021 at 05:22 PM.
03-18-2021 at 05:22 PM.
The Samsung A71 5G is sold out everywhere, but I went ahead and added the free line anyways. Does anyone know how long I have after adding the free line to add a device on EIP and still take advantage of a "free with adding a line" promo?
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newwonder
03-18-2021 at 05:24 PM.
03-18-2021 at 05:24 PM.
I am looking for a port in, please PM if anyone for trade
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fxsts
03-18-2021 at 05:25 PM.
03-18-2021 at 05:25 PM.
Quote from bggarric :
Looking to obtain a port in # will pay Amzn GC
I would also love to get a port in number as long as it is with postpaid AT&T or Verizon. PM me if you have one.
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base669
03-18-2021 at 05:26 PM.
03-18-2021 at 05:26 PM.
Also looking for a port in number + pin. 5AGC. Thanks.
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pitt23fan
03-18-2021 at 05:27 PM.
03-18-2021 at 05:27 PM.
Quote from bggarric :
Looking to obtain a port in # will pay Amzn GC
numberbarn takes exactly 2 hours to get number and you can see the number before buying and test it on t-mobile's can it port site.
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pitt23fan
03-18-2021 at 05:27 PM.
03-18-2021 at 05:27 PM.
Quote from base669 :
Also looking for a port in number + pin. 5AGC. Thanks.
numberbarn
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Asuna
03-18-2021 at 05:28 PM.
03-18-2021 at 05:28 PM.
Quote from SouthPawNd :
So according to the wiki and Reddit, they reverted the eligible SOC list to the previous one but I don't see 10SCFM4 on there (the original SOC list). Too bad i would go for it
Yep, my bad. Transposed the letters and also saw the L version, so thought it was on there. Guess they really want us to get off this plan.
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Telemachus
03-18-2021 at 05:30 PM.
03-18-2021 at 05:30 PM.
From T-force:

"Gotcha and thanks for the clarification. I know you don't want to lose the add a line promotion and I want you to keep it as well. Using the rebate that was offered from Costco will not affect your free add a line promotion. Just more money for your pocket! I also reviewed your account to make sure you're all set for your free add a line promotion. I hope this brought some ease to you my friend. "
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WakiTaki
03-18-2021 at 05:44 PM.
03-18-2021 at 05:44 PM.
Can I add the free line first? Then do the iphone trade in + port in promo later?
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newwonder
03-18-2021 at 05:46 PM.
03-18-2021 at 05:46 PM.
What's the issue if we use google numbers for porting, did anyone has problems, I ported in the past without any issues
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