To cancel a T-Mobile phone line, call customer service at 1-877-746-0909, or dial 611 from a T-Mobile phone, and ask the primary account holder’s request be processed.1T-Mobile. Cancel Service The cancellation is future-dated and takes effect at the end of your current billing cycle, so you pay for the full final month with no proration. The part worth slowing down for is what happens to your device payments and promotional credits, because that is where people get hit with bills they weren’t expecting.
What to Have Ready Before You Call
T-Mobile will verify your identity, and only the primary account holder can request a cancellation. An authorized user on the plan cannot.
- Your account PIN or passcode (the 6- to 15-digit code set at activation, not your T-Mobile ID password or phone unlock code).2T-Mobile. Set Up and Manage Your T-Mobile ID
- Your account number, printed at the top right of a paper bill or shown in your online account profile.1T-Mobile. Cancel Service
- The exact phone number or numbers you want removed.
Before you dial, open the T-Life app and check whether the line has an active Equipment Installment Plan or promotional credits attached. That single check is what separates a clean cancellation from a surprise bill.
Removing One Line Is Not the Same as Closing the Account
This is the most important distinction in the whole process.
If you keep at least one other line active, any device installment balance on the canceled line keeps billing at its normal monthly amount. You do not owe the remaining balance at once.1T-Mobile. Cancel Service
If you close the entire account with no lines remaining, every outstanding device balance across every line accelerates and comes due in full on your final bill.1T-Mobile. Cancel Service On a family plan carrying two or three financed phones, that final bill can easily top $2,000.
Promotional Credits You Can Lose
T-Mobile ties most device discounts to keeping specific lines and installment plans active, and the loss cascades faster than most customers expect.
For device promotions enrolled on or after July 1, 2024, you must maintain both the line of service and the device installment plan tied to the promotion. Close or cancel either, and the monthly credits stop immediately. Buy-one-get-one offers require both phones and both qualifying lines to stay active.3T-Mobile Community. Recommend to Change July 1, 2024 Losing Promotional Credits Policy
A “free line” promotion is generally contingent on keeping the paid lines it was bundled with, so canceling a paid line can cost you the free one. Account-level perks like Netflix On Us depend on having an eligible plan with enough qualifying lines; drop below the required count and the benefit ends, and you would need to set up direct payment with Netflix to keep watching.4T-Mobile. Netflix on Us
Before you cancel anything, ask the representative to read out every active promotion on the account and confirm what happens to each if the specific line you have in mind is removed. A five-minute call here can save hundreds in lost credits.
Making the Cancellation Call
Call 1-877-746-0909 from any phone, or 611 from your T-Mobile device.1T-Mobile. Cancel Service You will likely be connected to a retention specialist whose role is to offer reasons to stay. If your decision is made, say so directly and ask to proceed. Get a confirmation or service ticket number before hanging up.
You can also reach T-Mobile through two-way messaging in the T-Life app or through Apple Business Chat.5T-Mobile. Team of Experts – Personalized Customer Support A retail store visit is possible, but store staff may still route you to phone support depending on your account type. Either way, the actual disconnection happens at the end of the billing cycle, not in the middle of your conversation.1T-Mobile. Cancel Service
Porting Your Number to Another Carrier
If you are switching providers and want to keep the number, do not cancel first. Port the number out and the port itself closes the T-Mobile line.
Generate a Temporary Port-Out PIN, which is separate from your account PIN. In the T-Life app, go to the Manage tab, tap the gear icon, choose “Permissions & controls,” then “Transfer PIN.” On T-Mobile.com, log in from a mobile browser on your T-Mobile device, go to your Profile, then “Permissions & controls,” and select “Transfer PIN.” The PIN displays on screen; write it down immediately.6T-Mobile. Transfer Your Phone Number
If Account Takeover Protection is enabled on the line, the port-out PIN will not work until it is turned off. The billing responsible party has to contact T-Mobile to disable it, and it is managed line by line.7T-Mobile. Account Takeover Protection This is one of the most common reasons a port request stalls.
Give the Temporary Port-Out PIN and your account number to the new carrier and they will initiate the transfer. Once the number activates on the new network, the T-Mobile line closes. If other lines remain on your account, confirm with T-Mobile that only the ported line was removed and nothing else was changed.
Final Bill, Refunds, and Termination Fees
Because the cancellation is future-dated, there is no prorated refund for unused days in the final month. Pay the final bill online at t-mobile.com/guestpay using your account number, at a T-Mobile store, by mail, or by calling 1-877-453-1304.1T-Mobile. Cancel Service Unpaid final balances can be sent to collections and remain on your credit report for up to seven years.
If the closed account has a credit balance, T-Mobile requires a minimum 30-day period with no payment or charge activity before issuing a refund. Refunds go back to the original payment method, and you have to contact customer service to request one.8T-Mobile. Adjustments and Refunds
T-Mobile no longer uses annual service contracts or early termination fees on current plans, so you will not pay a penalty simply for leaving. Device balances and lost promotional credits are the real cost.
Suspending a Line Instead
If you are unsure about a permanent cancellation, seasonal suspension pauses service for up to 90 consecutive days.9T-Mobile. Account Suspensions It does not reduce your bill though. You remain responsible for your full monthly plan charges, plus any device installment payments and device protection fees.10T-Mobile. Suspend or Restore Your Line It really only makes sense if you want to hold the number and plan intact through a short absence and avoid the finality of cancellation.
Two Situations That Follow Different Rules
If you are closing the account of a family member who has died, call 1-877-746-0909. A death certificate is not required to start the process. Have the name on the account, the mobile number, the date of birth, and the last four digits of the deceased’s Social Security number ready. Voicemails and custom greetings are permanently deleted at cancellation, so back up anything you want to keep first.11T-Mobile. Cancel an Account of a Deceased Family Member
Prepaid accounts are simpler. You can call to cancel, or let the account lapse: with autopay off and no funds remaining, a prepaid line cancels automatically after 120 days in unpaid status.12T-Mobile. Prepaid Account Suspend and Cancellations The catch is losing the phone number once it closes, so port the number to a new carrier first if you want to keep it.