Teams PowerShell: List organisation phone numbers

You can perform the below command in Microsoft Teams PowerShell to quickly list all the phone numbers within your organisation and their type.

Get-CsPhoneNumberAssignment | Format-Table TelephoneNumber, NumberType, ActivationState, City

You can perform the below command to list the user accounts that phone numbers are assigned to:

Get-CsOnlineUser | Where-Object -Property LineURI -NotLike $null | Format-Table DisplayName, UserPrincipalName, LineURI