América do Norte: http://support.xbox.com/en-US/contact-us
Brasil: http://support.xbox.com/pt-BR/contact-us
Europa:
Reino Unido: http://support.xbox.com/en-GB/contact-us
Alemanha: http://support.xbox.com/de-DE/
França: http://support.xbox.com/fr-fr/contact-us
Espanha: http://support.xbox.com/es-ES/contact-us
Rússia: http://support.xbox.com/ru-RU/
Polônia: http://support.xbox.com/pl-PL/