Microsoft
Service Numbers
Technical support for Windows, Office, and Microsoft 365 services. Microsoft provides global support numbers for both home and business users. Select a country below to call Microsoft support directly from your browser.
Why call via BLAH! phone?
No Roaming
Call international numbers at local browser rates. Save up to 90% compared to mobile roaming.
Safe & Private
End-to-end encrypted routing via premium carrier networks. Your location stays private.
Instant Start
No software to install. Just select a number and start talking in seconds directly from Chrome or Safari.
HD Crystal Audio
Low-latency WebRTC technology ensures every word is heard clearly, even on slow connections.
Common questions
How do I call Microsoft support from abroad?
Use BLAH! phone to call Microsoft customer service from anywhere. The Support Directory lists official numbers by country. Select the number for your region and call directly from your browser. No roaming charges—you pay BLAH! phone rates. Works in Chrome or Safari.
What are the official Microsoft customer service numbers?
BLAH! phone's Support Directory lists official Microsoft customer service numbers for the US, UK, and other regions. Each number is verified. Call directly from your browser with crystal-clear HD audio. Pay per call with no subscription.