Microsoft accounts and Outlook sign-in flows sometimes require an SMS code. Use SMS Duo to purchase a virtual number and receive the Microsoft OTP online when stock is available.
SMS Duo is unaffiliated with Microsoft. Delivery is not guaranteed; some ranges may be blocked.
Get Microsoft Number →Second-line OTP for Microsoft security checks with honest success limits.
Microsoft phone verification confirms you can receive SMS during sign-in or security updates. A pay-per-use virtual number can serve as a temporary OTP line when you prefer not to use your primary SIM for every check.
Microsoft may reject virtual ranges. We do not claim 100% delivery or free Outlook codes. If a number fails, try another country with available stock.
SMS Duo is not affiliated with Microsoft Corporation. Use verification only for accounts you own and follow Microsoft's terms.
Five steps inside SMS Duo.
Register on the main site.
Top up your wallet.
Choose the service and a country with stock.
Get a session assignment.
Enter number & OTP from the panel.
Buy a virtual number on SMS Duo and receive the Microsoft / Outlook SMS code online.
Get Microsoft Number →