
These are usually associated with a work or school account and came from the organization where you work or go to school. If your product is listed below, you have a business product. Support options are available to admins who can sign in to the Microsoft 365 admin center with their admin account to contact support on behalf of users in their organization.

See Assign, change, or remove a phone number for a user for more information.If your product is listed below, you have a business product. Assign phone numbers to usersĪfter you get your phone numbers, you'll need to assign a number to each of your users. In the left navigation of the admin center, go to Voice > Phone numbers to view the numbers for your organization, including location, number type, and status information. View the phone numbers for your organization
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If you need to port more than 999 phone numbers, you can manually submit a port order or see Manage phone numbers for your organization to download the correct Letter of Authorization (LOA) and then send it to the TNS service desk to get all your numbers transferred. If your country or region isn't listed in the porting wizard, you can manually submit a port order or see Manage phone numbers for your organization to download the correct Letter of Authorization (LOA). Follow the steps in Transfer phone numbers to Teams. If you need 999 or fewer phone numbers for your users, use the porting wizard in the Microsoft Teams Admin Center. Port or transfer phone numbers from your service provider or phone carrier If you need to get more phone numbers than this, contact Support Contact for Business Products - Admin Help. For details, see How many phone numbers can you get?. For example, if you have 50 users in total with a Domestic Calling Plan and/or Domestic and International Calling Plan, you can acquire 65 phone numbers (50 x 1.1 + 10).
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The number of phone numbers for users (subscribers) is equal to the total number of Domestic Calling Plan and/or Domestic and International Calling Plan licenses you have assigned multiplied by 1.1, plus 10 additional phone numbers.

When you're ready to place your order, click Place order. If you take more than 10 minutes, the phone numbers will be returned to the pool of numbers. You have 10 minutes to select your phone numbers and place your order. Under Quantity, enter the number of numbers that you want for your organization, and then click Next to select your numbers.

If you need to create a new location, click Add a location.

See Use Teams administrator roles to manage Teams to read about getting admin roles and permissions. You must be a Teams service admin to make these changes. If you need help setting up phone numbers for your organization, please contact Support Contact for Business Products - Admin Help.
