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You can update your billing address and your E911 addresses online.

Change E911 address on each line

An E911 address allows emergency services to determine the location of each phone or device, in case they need to call 911. Wi-Fi Calling and some other T-Mobile products require a valid E911 address to work.

Update E911 address online through

  1. Log into your account.
  2. Select your name in the Profile menu.
  3. Select a line from the Select Line drop-down.
  4. Select Line Settings > E911 Address.
  5. Enter the new E911 address. This address should be the primary place where you use the line.
  6. Click Save changes.

Update E911 address using the T-Mobile app

  1. Log into your T-Mobile app.
  2. Select the More option.
  3. Select Profile Setting
  4. Select Line Settings.
  5. Select E911 Address.
  6. Select a line to change from the listed lines. 
  7. Enter the new E911 address. This address should be the primary place where you use the line.
  8. Select the Save button.
Sprint customers using a T-Mobile SIM card

Use the instructions below to change your E911 address on for mobile or desktop.

  1. Log in to your Account.
  2. Find your device on the Account Dashboard and select Manage Device.
  3. Select the Options icon for the selected device.
  4. Choose Update Wi-Fi Calling E911 Address.
  5. Update the address, then select Save.


Change billing address on your account

Your billing address may be updated automatically if you change your address through the United States Postal Service (USPS). The USPS notifies us of any address changes.


Only the Primary Account Holder (PAH) or a Full access line can update the billing address. Learn how to set online permissions.


  1. Log into your account. Make sure the line changing the address has master privileges.
  2. Click Your Profile.
  3. Click Billing Address.
  4. Enter the mail and contact information in the appropriate fields.
  5. Click Save.

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