If you are deaf or hard-of-hearing, complete access to Microsoft product and customer services is available through a text telephone (TTY/TDD) service.
You can contact Microsoft Sales Information Center on a text telephone by dialing (800) 892-5234 between 6:30 AM and 5:30 PM Pacific time, Monday through Friday, excluding holidays.
For technical assistance in the United States, you can contact Microsoft Product Support Services on a text telephone at (800) 892-5234 between 6:00 AM and 6:00 PM Pacific time, Monday through Friday, excluding holidays. In Canada, dial (905) 568-9641 between 8:00 AM and 8:00 PM Eastern time, Monday through Friday, excluding holidays. Microsoft support services are subject to the prices, terms, and conditions in place at the time the service is used.