In a nutshell: To cancel your T-Mobile service, follow a straightforward process: inform T-Mobile customer service by phone, as online cancellation is not available. Your service remains active until the end of the current billing cycle, with no refunds issued. If you wish to keep your phone number, port
If the time has come to cancel your T-Mobile service, then you need to know how to do it the right way, so that you have no unexpected difficulties. The cancellation process itself is pretty straightforward, but there are a few things you need to take care of before you actually take that step.
You will not lose your service immediately after you cancel it. Instead, the cancellation will go into effect at the end of your current billing period. That means that you will not receive any refund on the amount you have paid so far.Any Equipment Installment Plan device balance you have outstanding will be applied to your final bill.If you want to cancel the service of a deceased account holder in Puerto Rico, you need to mail your cancellation request to T-Mobile Executive Customer Relations P.O. Box 191957 San Juan, PR 00919-1957. Include their name, date of birth, and account number.
Make sure that you save anything you need to save, because your messages will be deleted when your account is canceled.
It will take a few days to go through, so you want to start before your old service ends, to avoid an interruption of service. Your new carrier will have their own procedure for porting in your number, but you will need to get a transfer PIN from T-Mobile before you do anything else.
You will need their name, their date of birth, the last four digits of their social security number, and their T-Mobile account number.
T-Mobile customer service
Cancellation of your T-Mobile service cannot be done online. Your only option is to use the phone.
T-Mobile guest payment page
Enter your account number and follow the prompts to may your final payment.
If you do not want to make your payment online, continue with the next step instead.
T-Mobile store locator
Go to a nearby store and tell and employee there that you want to pay your bill. Make sure you have your account number with you.
If you have any questions and any point during the cancellation process, ask a T-Mobile customer service representative. The customer service center is open 24 hours a day, seven days a week.

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