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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 10:26 PM
4.4K Comments
Joined Jul 2015
benanfisa1Dec 29, 2020 10:26 PM
4.4K Comments
Quote from Thro View quoted comment :
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.
It doesn't work on the magenta plan. Specific customers who have created the 55 line plan prior to a certain date can add a third line, otherwise the 55+ plan has a maximum of two lines
Dec 29, 2020 10:27 PM
4.4K Comments
Joined Jul 2015
benanfisa1Dec 29, 2020 10:27 PM
4.4K Comments
Quote from athadu View quoted comment :
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.
I believe it was compatible with November line but not December free line
Dec 29, 2020 11:09 PM
9 Comments
Joined Apr 2016
NatV921Dec 29, 2020 11:09 PM
9 Comments
Quote from xalagaco View quoted comment :
​Yes.
xalagaco where do you see the iPhone SE at Costco for $180? Is it a Costco rebate or EIP? Thanks
Dec 30, 2020 12:15 AM
8.1K Comments
Joined Oct 2005
HurricaneAlleyDec 30, 2020 12:15 AM
8.1K Comments
Quote from Skraze View quoted comment :
Thats the issue. It got removed from my account several months ago for some reason (most likely when I added more lines and they changed the SOC code to do that). And now they are saying that I never had it on my account.
Escalate to corporate, they should be able to properly research it, shouldnt be too complicated to see it on prior bills for them, lastly file a complaint to bbb if that doesnt work.
Dec 30, 2020 12:23 AM
395 Comments
Joined Mar 2008
bbergin76Dec 30, 2020 12:23 AM
395 Comments
Got my Sim card today. Running dual sim on my Pixel 4a 5g so that I don't have to worry about messing up my Kickback on my main line.

Any word on when Dual Sim will support 5g instead of falling back to LTE?
Dec 30, 2020 12:26 AM
276 Comments
Joined Aug 2011
DealInfinityDec 30, 2020 12:26 AM
276 Comments
I already have 2 free lines in my account from the Sep and Nov LOU promo and was not very keen to take advantage of the Dec LOU. But, the free A11 + $100 Costco new line promo made to go Costco earlier this afternoon.

- Added a new line (got a new phone number, no port in)
- Bought Samsung A11 (32GB Black - per Costco rep the only option they carry for this phone) on the new line. Paid $161.99 + taxes
- Costco rep gave me paperwork for the rebates. $162 T-Mobile rebate (promo code: 2020COSTCOSAMSUNG7) for Samsung A11 and $100 Costco rebate (promo code: T01501) for a device purchase on a new line
- Within 30 minutes of adding the new line got a text from T-Mobile stating "Congrats! You will receive your promotional service discount from T-Mobile as long as you maintain eligibility".
- Logged into my T-Mobile account. The total bill amount remains the same with the new line. Like others reported, the 2020 Line on Us 2 discount line item now shows $40 discount (it was showing $20 earlier)
Dec 30, 2020 12:37 AM
414 Comments
Joined May 2017
xalagacoDec 30, 2020 12:37 AM
414 Comments
Quote from NatV921 View quoted comment :
xalagaco where do you see the iPhone SE at Costco for $180? Is it a Costco rebate or EIP? Thanks
I didn't get an SE as I'm an Android guy. So this is second hand information. You pay full price at the warehouse and get a 50% tmobile rebate.

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Dec 30, 2020 12:38 AM
11K Comments
Joined Jul 2006
xtrabadDec 30, 2020 12:38 AM
11K Comments
Quote from skumar312 View quoted comment :
I already have 2 free lines in my account from the Sep and Nov LOU promo and was not very keen to take advantage of the Dec LOU. But, the free A11 + $100 Costco new line promo made to go Costco earlier this afternoon.

- Added a new line (got a new phone number, no port in)
- Bought Samsung A11 (32GB Black - per Costco rep the only option they carry for this phone) on the new line. Paid $161.99 + taxes
- Costco rep gave me paperwork for the rebates. $162 T-Mobile rebate (promo code: 2020COSTCOSAMSUNG7) for Samsung A11 and $100 Costco rebate (promo code: T01501) for a device purchase on a new line
- Within 30 minutes of adding the new line got a text from T-Mobile stating "Congrats! You will receive your promotional service discount from T-Mobile as long as you maintain eligibility".
- Logged into my T-Mobile account. The total bill amount remains the same with the new line. Like others reported, the 2020 Line on Us 2 discount line item now shows $40 discount (it was showing $20 earlier)
Curious why buyers are doing the A11 deal instead of the other offers, like the Pixel or iPhone SE. I know the A11 is free, (well, not really, as there is tax on $162 for most). Basically however the A11 is a dinosaur with only 32gb, a terrible camera, and an ancient Snapdragon processor. It must be barely usable once any apps are loaded. Maybe buyers are motivated by the $100 Costco offer and then doing the A11 deal just because they can.
Dec 30, 2020 12:49 AM
1.7K Comments
Joined Jul 2005
sky03Dec 30, 2020 12:49 AM
1.7K Comments
i got the free line and iphone se at costco this morning
iphone se 64gb $360+tax
-$180 tmo rebate
-$100 costco shop card rebate

got a text about the promo is added to my account with a link
logged in and it says $0 is due monthly for that new line
Dec 30, 2020 12:54 AM
4.4K Comments
Joined Jul 2015
benanfisa1Dec 30, 2020 12:54 AM
4.4K Comments
Quote from bbergin76 View quoted comment :
Got my Sim card today. Running dual sim on my Pixel 4a 5g so that I don't have to worry about messing up my Kickback on my main line.

Any word on when Dual Sim will support 5g instead of falling back to LTE?
That's an update google has to put out
Dec 30, 2020 12:55 AM
4.4K Comments
Joined Jul 2015
benanfisa1Dec 30, 2020 12:55 AM
4.4K Comments
Quote from xtrabad View quoted comment :
Curious why buyers are doing the A11 deal instead of the other offers, like the Pixel or iPhone SE. I know the A11 is free, (well, not really, as there is tax on $162 for most). Basically however the A11 is a dinosaur with only 32gb, a terrible camera, and an ancient Snapdragon processor. It must be barely usable once any apps are loaded. Maybe buyers are motivated by the $100 Costco offer and then doing the A11 deal just because they can.
Does Costco even carry the pixel 4as this year
Dec 30, 2020 1:00 AM
219 Comments
Joined Jan 2011
PDXgalDec 30, 2020 1:00 AM
219 Comments
Quote from benanfisa1 View quoted comment :
It doesn't work on the magenta plan. Specific customers who have created the 55 line plan prior to a certain date can add a third line, otherwise the 55+ plan has a maximum of two lines
Quote from Thro :
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.

I don't have the Magenta plan. I have the One Unlimited 55+ plan for $60 (got in March 2018 right before they raised it to $70).

I believe my SOC code is ONE60TIFM which I don't see on the sheet. Thro - what is your SOC code?
Dec 30, 2020 1:02 AM
8.9K Comments
Joined Dec 2003
ChakkDayDec 30, 2020 1:02 AM
8.9K 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.

On Network Tab, Make XHR enahbled,
Then in manageaccount it's ratePlans:
Dec 30, 2020 1:15 AM
6.7K Comments
Joined Mar 2009
freebies4me2Dec 30, 2020 1:15 AM
6.7K Comments
Is the iphone SE worth anything later for trade in?
Still debating whether to add a free line or not. Got an old iphone 6s laying around.

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Dec 30, 2020 1:18 AM
686 Comments
Joined Apr 2012
Tam4sdDec 30, 2020 1:18 AM
686 Comments
If I have already added the new line for this promo, can I still buy and get the rebate for A11?

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