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A Guide to Sending International SMS with US Toll-Free Numbers and AWS End User Messaging

Amazon SES / EUM November 05, 2025 high impact

AWS End User Messaging Enables International SMS Sending via US Toll-Free Numbers AWS End User Messaging now supports international SMS capabilities for US toll-free numbers (TFNs), allowing businesses to send SMS messages to over 150 countries using a single US TFN. This feature is particularly beneficial for one-way transactional alerts like OTPs and shipping notifications, and enables rapid prototyping in new international markets without acquiring country-specific numbers. The feature is backward compatible with existing TFNs and can be enabled through the AWS console or CLI. Registration requests typically take 15 business days for approval.

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EUM / SES Relevance

This article directly describes a new AWS End User Messaging feature enabling international SMS capabilities via US toll-free numbers, expanding EUM's global reach for transactional messaging and A2P communications.

Key Takeaways

  • arrow_right_alt AWS EUM now supports international SMS from US toll-free numbers to over 150 countries with a single number.
  • arrow_right_alt The feature is ideal for one-way transactional messaging like OTPs and shipping notifications.
  • arrow_right_alt International sending can be enabled on new or existing TFNs via console or AWS CLI with backward compatibility.
  • arrow_right_alt Businesses can rapidly prototype messaging strategies in new markets without country-specific number procurement overhead.
  • arrow_right_alt US toll-free number registration requests require approximately 15 business days for approval.
AWS End User Messaging Technical How-to