We currently support SMS sends to the United States, Canada, Australia, and the most European nations. Given the growing threat of SMS fraud internationally, we will be gradually opening this up to more countries over time. Check back on this list frequently and feel free to send us a message if you have a particular use case that would warrant sending SMS to a country or countries that are currently unsupported.
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Please be aware that SMS works differently in every country. Some countries limit the ability for guests to send replies. Depending on country of origin, this means that some guests may not be able to confirm or cancel service by replying "1" or "9". Review the following Country Guidelines to learn more about the unique SMS rules by country.