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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 29, 2020 5:21 PM
42 Comments
Joined Sep 2016
kelvinocDec 29, 2020 5:21 PM
42 Comments
Rep said discount applied in 1-2 billing cycle. Is that right?
Dec 29, 2020 6:01 PM
126 Comments
Joined Apr 2013
slmkdpDec 29, 2020 6:01 PM
126 Comments
Quote from slmkdp View quoted comment :
I have been trying to add kicback on my main paid line but not been successful.
Also have one plus on two lines, Need to add on 1 paid and 3 free lines.
Was able to add kickback on main paid line and one-plus-promo on 2 free lines added last 2 months.
Dec 29, 2020 6:01 PM
414 Comments
Joined May 2017
xalagacoDec 29, 2020 6:01 PM
414 Comments
Quote from benanfisa1 View quoted comment :
Does anyone know if you get the iPhone SE at Costco for 180, do you get the 100 for adding a new line on top?
​Yes.
Dec 29, 2020 6:33 PM
414 Comments
Joined May 2017
xalagacoDec 29, 2020 6:33 PM
414 Comments
Quote :
Quote from PoLusImo View quoted comment :
Is there a confirmation(from someone with posted bill) that Costco $100+A11 is indeed stackable? System would usually check conflicting promos etc., when bill will generate. Although, there was no mention/indication that last month's TM BYOD is not valid for lines added at Costco, most of the folks are getting denial, with a reason that lines added at Costco are not eligible for the rebate.
I hope this is not the case, but since TM can't deny promotions received from third party/Costco, but they can deny free line, saying it was added from/through non approved channel. I have not seen a single flyer from Costco, remotely indicating free line
You are confusing two different rebates. People are getting denied on the $100 T-mo port-in rebate, there is no such offer this time around.
This was separate from the $200 Costco BYOD offer, which nobody has been denied nor approved as yet. They're all still in "processing" and you will find out in 14 weeks. I believe this is what was mentioned in the OP as not eligible. It expired before this round of free lines.
Current Costco offer is free A11 + $100 shop card, again we will find out in 14 weeks. You can either take the free A11 or get an SE at 50%. Pixel is not available at Costco, but you can order online, and 50% eip will automagically apply. These phones are confirmed eligible, and regardless of where you buy, the phone deal is a T-mo offer.
The Costco shop card is a Costco offer. If you're a worrying type, you are free to not take the deal, and no loss, well, except for a potential $100 in exchange for a piece of mind.
Last edited by xalagaco December 29, 2020 at 04:25 PM.
Dec 29, 2020 6:48 PM
1.5K Comments
Joined Dec 2007
phunky.buddhaDec 29, 2020 6:48 PM
1.5K Comments
Anyone else having trouble signing into their accounts right now? I keep getting errors from the T-Mo site on attempting to login...
Dec 29, 2020 7:13 PM
43 Comments
Joined Nov 2012
athaduDec 29, 2020 7:13 PM
43 Comments
Quote from PoLusImo View quoted comment :
Is there a confirmation(from someone with posted bill) that Costco $100+A11 is indeed stackable? System would usually check conflicting promos etc., when bill will generate. Although, there was no mention/indication that last month's TM BYOD is not valid for lines added at Costco, most of the folks are getting denial, with a reason that lines added at Costco are not eligible for the rebate.
I hope this is not the case, but since TM can't deny promotions received from third party/Costco, but they can deny free line, saying it was added from/through non approved channel. I have not seen a single flyer from Costco, remotely indicating free line.
I added the LOU3 at Costco on 11/25 and bought 2 iPhone 12's with a rebate of $540. I also ported a number on that line with the $100 promo. I received both $540 and $100 rebates and the LOU3 promo applied to my recent bill a week ago. I added the LOU4 on 12/22 and bought the Galaxy A11 and submitted both rebates for $162 A11 and $100 Costco Cash card. Will provide an update when available.
Dec 29, 2020 7:15 PM
501 Comments
Joined Nov 2007
ThroDec 29, 2020 7:15 PM
501 Comments
Quote from PDXgal View quoted comment :
I'm on the 55+ One plan for $60 / 2 lines. Went to Costco tonight and Wireless kiosk said they could not add a line to my plan. Said 55+ plans have a limit of two lines. Showed me some flyer showing plans and how many lines they can get.

Some have commented on here that they were able to get the free line on the 55+ plan. How?

Wondering the same thing? Costco said no to me tonight.

I added a 3rd line on T-Mobile ONE Unlimited 55+ ($70/2 lines) calling t -mobile. (see my other post). https://slickdeals.net/forums/showpost.php?p=144227348&postcount=3593
Maybe it does not work on the Magenta 55+ or ($60/2 lines) plan.
Last edited by Thro December 29, 2020 at 11:23 AM.

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Dec 29, 2020 7:40 PM
8 Comments
Joined Nov 2014
JoydamaxDec 29, 2020 7:40 PM
8 Comments
I am on a military plan and received the free line deal last time unintentionally; I didn't know there was a free line offer but I added a line and the bill stayed the same with a notice "2020 line on us 2".

Does that mean my account probably will get this offer too?

many saying military discounts are not included Frown
Dec 29, 2020 7:52 PM
2.5K Comments
Joined May 2015
AlexK6706Dec 29, 2020 7:52 PM
2.5K Comments
Quote from toneroni View quoted comment :
I used the instructions to find the info on developer tools but which line contains the SOC?
Parents are on the Tmobile 55 plan and I want to add a line for them.
I think it's caller rate plan or smth, there is no actuall SOC wording so that part is confusing indeed.
Dec 29, 2020 8:10 PM
1.2K Comments
Joined Feb 2013
Lucky2007Dec 29, 2020 8:10 PM
1.2K Comments
Quote from athadu View quoted comment :
I added the LOU3 at Costco on 11/25 and bought 2 iPhone 12's with a rebate of $540. I also ported a number on that line with the $100 promo. I received both $540 and $100 rebates and the LOU3 promo applied to my recent bill a week ago. I added the LOU4 on 12/22 and bought the Galaxy A11 and submitted both rebates for $162 A11 and $100 Costco Cash card. Will provide an update when available.
How were you able to get the iphone 12 $540? Is that stackable with getting new line?
Dec 29, 2020 8:32 PM
43 Comments
Joined Nov 2012
athaduDec 29, 2020 8:32 PM
43 Comments
Quote from Lucky2007 View quoted comment :
How were you able to get the iphone 12 $540? Is that stackable with getting new line?
I used the Costco 2020 Apple Buy 2 P2 promotion on the free line I added as part of Line on Us 3 promotion in November. The promotion requires a new line and an existing line.
Dec 29, 2020 10:08 PM
181 Comments
Joined Oct 2012
FEBREEZEDec 29, 2020 10:08 PM
181 Comments
i have magenta plus plan now with 7 lines

went to costco
verified they have a11 instock
verified im eligable a11 promo w/ costco $100 card
verified i can stack with free line promo
paid for a11 upfront with tax at register
went to inventory keeper to pick up device
went back to cellular kiosk
rep filled out paper work
i verified with rep again that the line being setup will be free no additional charges to my monthly bill.
i signed papers
he gave me rebate form for a11 and $100
went home and chatted with tmobile support
asked tmobile support to verify the new line i created at costco will be free and no additional charges to my monthly bill.
they verified yes.

the end. thanks slick deals
Dec 29, 2020 10:18 PM
1.1K Comments
Joined Aug 2007
dishguyDec 29, 2020 10:18 PM
1.1K Comments
Quote from kelvinoc View quoted comment :
Rep said discount applied in 1-2 billing cycle. Is that right?
My personal experience with that statement is that it didn't work for me. I was told my EIP would kick in by the 2nd billing cycle and it didn't. I reached out to them and they placed a one time credit of the 50% equivalent of the eip.
Dec 29, 2020 10:20 PM
3.2K Comments
Joined Oct 2007
krayzieDec 29, 2020 10:20 PM
3.2K Comments
Quote from FEBREEZE View quoted comment :
i have magenta plus plan now with 7 lines

went to costco
verified they have a11 instock
verified im eligable a11 promo w/ costco $100 card
verified i can stack with free line promo
paid for a11 upfront with tax at register
went to inventory keeper to pick up device
went back to cellular kiosk
rep filled out paper work
i verified with rep again that the line being setup will be free no additional charges to my monthly bill.
i signed papers
he gave me rebate form for a11 and $100
went home and chatted with tmobile support
asked tmobile support to verify the new line i created at costco will be free and no additional charges to my monthly bill.
they verified yes.

the end. thanks slick deals
You should probably wait until you get the bill showing that the line was free as support isn't always correct

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Dec 29, 2020 10:23 PM
3.3K Comments
Joined Jan 2007
waterchangeDec 29, 2020 10:23 PM
3.3K Comments
Quote from Joydamax View quoted comment :
I am on a military plan and received the free line deal last time unintentionally; I didn't know there was a free line offer but I added a line and the bill stayed the same with a notice "2020 line on us 2".

Does that mean my account probably will get this offer too?

many saying military discounts are not included Frown
No one here could tell you definitively one way or the other. But if I were in your shoes, it's worth a try to add a line and see if you get the free line. Worst thing that could happen is that you simply cancel the line if it doesn't end up being free.

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