How to Change Your Phone Number on Your Microsoft Account

When you need to update your phone number associated with your Microsoft account, there are specific steps you can follow depending on your operator and usage requirements. This guide will walk you through the process of changing your phone number on your Microsoft account.

Assign or Change Associated Emergency Location

If you have assigned numbers for Operator Connect or Operator Connect Mobile users, you may need to update the associated emergency location. To do this, go to the Emergency location section and search for the desired location. Select the location from the search results, and then click on the Edit button.

Assign a Phone Number Using Teams Admin Center

To assign a phone number using the Microsoft Teams admin center, follow these steps:

1. Log in to the Microsoft Teams admin center with a user account that has Global admin privileges.

2. Go to the Phone numbers page and select an unassigned number from the list.

3. Click on the Edit button next to the selected phone number.

4. Make sure the phone number and usage location of the user are from the same country.

Additional Requirements for Hybrid Deployment

If you have a hybrid deployment with an on-premises Active Directory, there is an additional step required:

1. Remove any existing phone numbers stored in the msRTCSIP-Line attribute on the user or resource account object in your on-premises Active Directory.

2. Ensure that the change has been synchronized to Microsoft 365.

By following these steps, you should be able to successfully change your phone number associated with your Microsoft account. Remember to ensure that any updates are synchronized across all platforms and devices connected to your Microsoft account.

How to change your phone number on your microsoft account