Time limits for assessments by HMRC. From 1 April 2010 the time limits for assessments and claims changed. This also applies to tax repayment claims. All these limits apply from the end of the chargeable period.
A: If the caller is in the United States, Canada or Puerto Rico, the contact number for Xbox Live support is 800-4MY-XBOX (800-469-9269). For an international direct dial call to the United States, the number is 1-425-635-7180.
microsoft support phone number you can contact microsoft customer service and support on the following telephone numbers monday through friday 5 00 am 9 00 pm pacific time and saturday and sunday 6 00 am 3 00 pm pacific time in the usa 800 microsoft 642 7676 in canada call 877 568 2495