XBox Live Phone Number

800 Number for XBox Live

How to call XBox Live : use the toll free number below to contact customer service, and get technical support. When you call, you will be asked the questions below.

XBox Live Customer Service

800-469-9269 (800-4MY-XBOX)
hours: 9Am to 1AM EST

Games for Windows LIVE Support

877-274-4349

source:http://support.xbox.com/en-US/contact-us?isChatCallAvailable=false