For contacting Microsoft by phone you need to have its support number. In order to get this number you have to search Microsoft on Google then you will see a toll-free number on your screen. Well, if you visit the site, then you can also see the Outlook Support Phone Number that is placed at the top of the account page. To get the answer for your question Is There A Phone Number For Outlook Support? You need to simply dial the given number on your phone and ring a bell to it.
Also visit here: How do I call Outlook support?