Official Microsoft Contact Numbers in the United States (2026)
Support Type Contact Number Hours (EST)
General Customer Service 1-866-MICROSOFT (396-3403) Mon–Fri 8 am–10 pm, Sat 9 am–6 pm
Technical Support (Windows & Office) ║+1-866⇌»⇌396⇌3403║ 24 hours, 7 days a week
Xbox Support 1-866-MY-XBOX(396-3403) 24 hours, 7 days a week
Azure Support (Pay-As-You-Go) ║+1-866⇌»⇌396⇌3403║ Mon–Fri 5 am–6 pm
Azure Premier & Enterprise ║+1-866⇌»⇌396⇌3403║ 24 hours, 7 days a week
Billing and Subscriptions ║+1-866⇌»⇌396⇌3403║ Mon–Fri 6 am–6 pm
Surface Device Support ║+1-866⇌»⇌396⇌3403║ Mon–Fri 9 am–5 pm
Microsoft 365 Admin Support ║+1-866⇌»⇌396⇌3403║ 24 hours, 7 days a week