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There are a few reasons why you might want to change your wireless number, such as if you're receiving calls for someone else or if you recently moved. 

Things to keep in mind

  • With Scam Shield, T-Mobile offers 1 free mobile number change per year, per line.
    • Additional number changes will be charged $15.
  • Changing your number deletes all voicemail messages. For detailed steps to set up a new voicemail box visit our Voicemail page.
  • Phone number changes can take up to four hours to complete.
  • Caller ID systems for landline carriers can take up to three days to show the correct calling information.
  • Update your contact number on any accounts that may have your number saved, such as notifications for bank accounts, social media, etc.
  • It may take up to three days to have access to sign into your account on using your new number.
  • Call records for the old phone number will no longer be available on
  • T-Mobile holds all numbers for a minimum of 45 days and up to 90 days, at which time the number will be available for reuse.

Change your phone number

To change your phone number, contact us.

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