Customers who are interested in porting their toll-free phone numbers from external accounts to their Azure Communication Services account can do so by following the process below.
PLEASE NOTE You need to have an eligible Azure subscription and resource with the data location set to "US" to be able to port numbers.
Follow the steps below to port numbers to your Azure Communication Services account:
- Download and fill out the appropriate Letter of Authorization (LOA) form. There is one for toll-free and one for greographic numbers in the Forms folder.
- Get the Azure Resource ID for the resource you want to port the numbers to
- Send the for and the resource ID to us at acsporting@microsoft.com
Please ensure that your email subject line begins with "ACS Number Request:"
Our service desk will get in touch with you on details.