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Jman100 968K Views
Dec 19, 2020 7:55 PM

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

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Deal Details
T-Mobile.com offers Existing T-Mobile Customers on Eligible Plans with 2 Lines or More to add a New Line for Free.

Thanks to community member Jman100 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 (see instructions below on how to find your SOC code).
      • SOC (Service Order Code): 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 "2020 Line On Us 4".
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?
  • This deal CANNOT be combined with any of the following current T-Mobile promotional offers:
    • iPhone 12 "on us" (2020 Apple Trade Activate P3)
    • BOGO iPhone (2020 Apple Buy 2 P11)
    • Free Galaxy A71 5G with new line (2020 Samsung Activate P12)
    • Free OnePlus 8/8T+ 5G with new line (2020 OnePlus Activate P5)
    • Costco BYOD promos
    • TFB-exclusive promos
  • By participating in any of these offers above while using your new free line, you will forfeit the free line terms and will have to pay for that line.

Editor's Notes

Written by StrawMan86 | Staff
Please refer to the forum thread for additional details and discussion. -StrawMan86

Original Post

Written by Jman100
Community Notes
About the Poster
Deal Details
Community Notes
About the Poster
T-Mobile.com offers Existing T-Mobile Customers on Eligible Plans with 2 Lines or More to add a New Line for Free.

Thanks to community member Jman100 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 (see instructions below on how to find your SOC code).
      • SOC (Service Order Code): 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 "2020 Line On Us 4".
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?
  • This deal CANNOT be combined with any of the following current T-Mobile promotional offers:
    • iPhone 12 "on us" (2020 Apple Trade Activate P3)
    • BOGO iPhone (2020 Apple Buy 2 P11)
    • Free Galaxy A71 5G with new line (2020 Samsung Activate P12)
    • Free OnePlus 8/8T+ 5G with new line (2020 OnePlus Activate P5)
    • Costco BYOD promos
    • TFB-exclusive promos
  • By participating in any of these offers above while using your new free line, you will forfeit the free line terms and will have to pay for that line.

Editor's Notes

Written by StrawMan86 | Staff
Please refer to the forum thread for additional details and discussion. -StrawMan86

Original Post

Written by Jman100

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4.2K Comments

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Dec 31, 2020 8:05 PM
696 Comments
Joined Dec 2009
bugzapperDec 31, 2020 8:05 PM
696 Comments
Quote from bonezy19 View quoted comment :
Just spoke with rep, checked, and my Simple Choice 6GB plan doesn't work. SOC: 6SCFMPGF
For everyone with unlisted SOC's... there has been cases where unlisted SOC still worked. BUT you have to add it first and find out. Reps won't know.

1) Add a new line
2) Check account portal (Could show up as soon as 1hr).
3) If it doesn't show after a few days, you can cancel the new line. EZ.
4) Update SD thread with results/SOC.
5) Profit?
Last edited by bugzapper December 31, 2020 at 12:21 PM.
Dec 31, 2020 8:07 PM
401 Comments
Joined Oct 2014
gsv7Dec 31, 2020 8:07 PM
401 Comments
Quote from justsomeone1 View quoted comment :
How old is your account. "Magenta 2020 3rd Line On Us 3" refer to the promotion when you join tmobile with magenta plan and have 3rd line free. I'm not sure when that promotion started but if you got a LOU3 from last month. You should be able to get this LOU4. Do it yourself from the website and pay $10 for the sim. No need a rep when you have less than 8 lines
Got the new account end of November 2020
Dec 31, 2020 8:10 PM
797 Comments
Joined Jul 2013
er82Dec 31, 2020 8:10 PM
797 Comments
Quote from BigB89 View quoted comment :
added to all your lines? how?
I had asked about it when my account went from 8 line plan to the 9 line plan. They added it for me on my main line only and then last night I chatted again and asked if they could put the same data plan on my other 8 lines as the one I had in my main line and the lady went ahead and said yes no problem. So now all 9 lines have the free One plus promo.
Dec 31, 2020 8:19 PM
2.2K Comments
Joined Sep 2003
sanglewebDec 31, 2020 8:19 PM
2.2K Comments
I am tempting to get another line as just got one 10 days ago and on the discount page, it says "$20 2020 Line on Us 3 (Additional Lines)", is this means I can get this Line on Us 4?
Dec 31, 2020 8:23 PM
527 Comments
Joined Jun 2016
404fullPriceNotFoundDec 31, 2020 8:23 PM
527 Comments
I don't know if anyone mentioned it (and I'm not reading back hundreds of comments) but just came from Costco added the line and got the BOYD for the $100 Costco card.
Dec 31, 2020 8:25 PM
487 Comments
Joined Nov 2009
Blitz64Dec 31, 2020 8:25 PM
487 Comments
Quote from sangleweb View quoted comment :
I am tempting to get another line as just got one 10 days ago and on the discount page, it says "$20 2020 Line on Us 3 (Additional Lines)", is this means I can get this Line on Us 4?
No, you will not qualify for another line. It is the same free line deal all along from Dec 20th - Dec 31st.
Dec 31, 2020 8:28 PM
2.2K Comments
Joined Sep 2003
sanglewebDec 31, 2020 8:28 PM
2.2K Comments
Quote from Blitz64 View quoted comment :
No, you will not qualify for another line. It is the same free line deal all along from Dec 20th - Dec 31st.
OK, Tks, I thought the Nov deal was LOU 3 and the Dec is LOU 4 but since my account says I have LOU 3, I was hoping I can also get the LOU 4 which is Dec Promo.

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Dec 31, 2020 8:31 PM
487 Comments
Joined Nov 2009
Blitz64Dec 31, 2020 8:31 PM
487 Comments
Quote from flying-ghost View quoted comment :
Just bought the Pixel 4a 5G with added new line. It said $25 monthly fee when I added the line and no new line is showing up yet. Is that normal?
It takes 1-2 business days to process your order. Go to your account -> "Check order status" for status.
Once the order ships, you should get a new line added.
Dec 31, 2020 8:33 PM
401 Comments
Joined Oct 2014
gsv7Dec 31, 2020 8:33 PM
401 Comments
Added line and ordered new sim with online chat. Did it in 2 minutes. He said free line credit will be applied once sim activated.
Dec 31, 2020 8:44 PM
401 Comments
Joined Oct 2014
gsv7Dec 31, 2020 8:44 PM
401 Comments
Quote from sangleweb View quoted comment :
OK, Tks, I thought the Nov deal was LOU 3 and the Dec is LOU 4 but since my account says I have LOU 3, I was hoping I can also get the LOU 4 which is Dec Promo.
How can you check this on your account?
Dec 31, 2020 8:50 PM
487 Comments
Joined Nov 2009
Blitz64Dec 31, 2020 8:50 PM
487 Comments
Quote from gsv7 View quoted comment :
How can you check this on your account?
It should show at my tmobile account at:

https://my.t-mobile.com/account/cost-details

Don't click on the link above since it won't work. You might have to type it out or get there on your own.
Dec 31, 2020 8:54 PM
366 Comments
Joined Feb 2014
BigB89Dec 31, 2020 8:54 PM
366 Comments
Quote from er82 View quoted comment :
I had asked about it when my account went from 8 line plan to the 9 line plan. They added it for me on my main line only and then last night I chatted again and asked if they could put the same data plan on my other 8 lines as the one I had in my main line and the lady went ahead and said yes no problem. So now all 9 lines have the free One plus promo.
i am confused, did you mean one plus 8T phone promo Or some other one plus promo? sorry, had to ask Smilie
Dec 31, 2020 8:55 PM
3 Comments
Joined Nov 2014
pvgolferDec 31, 2020 8:55 PM
3 Comments
Anyone know if the free line promo is stackable with the Costco BOGO Samsung Note 20 ultra offer? In store offer says BOGO Note 20 ultra when a new line is added.
Dec 31, 2020 8:56 PM
487 Comments
Joined Nov 2009
Blitz64Dec 31, 2020 8:56 PM
487 Comments
Quote from sangleweb View quoted comment :
I am tempting to get another line as just got one 10 days ago and on the discount page, it says "$20 2020 Line on Us 3 (Additional Lines)", is this means I can get this Line on Us 4?
Do this "change plan" trick mentioned at

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

You will then see the real promotion you got is "Line on us 4".

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Pro
Dec 31, 2020 8:57 PM
398 Comments
Joined Dec 2006
qpjj
Pro
Dec 31, 2020 8:57 PM
398 Comments
Just returned the OnePlus 8 to keep the line free. Got $100 bill credit as a compensation for all the troubles.

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