Using Duo while traveling internationally


This article provides information about using Duo during travel outside of the United States.


For travelers to US embargoed countries

Including: Cuba, Iran, North Korea, Syria, Sudan, and regions of Ukraine (Crimea, Sevastopol, Donetsk, and Luhansk).

During travel to these areas, you will be unable to log in with Duo. You are required to uninstall the Duo Mobile app, required to leave Duo hardware tokens at home, and will be unable to access any UO services protected by Duo.

If you try to use a Duo-protected service in these areas, you will get an error message that reads, Access denied. Duo Security does not provide services in your current location in the Duo Prompt. For more information and the most up to date list of restricted areas, please refer to Duo's website.

For all other international travelers

If you will have access to Wi-Fi and cellular service with data, you can use the same method(s) you normally use. These methods all work overseas when your device has a data connection:

These methods will still work even if you can't connect to any cellular or data service:

Do SMS passcodes and phone callback work with international numbers?

Yes, they do! You can register an international number with Duo, just like a US number.



Article ID: 108116
Tue 5/19/20 3:54 PM
Mon 11/28/22 12:24 PM

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