A2P 10DLC Campaign Vetting Delays: We are experiencing delays while vetting 10DLC campaigns. Our third party is reviewing campaigns manually, and due to the high volume of requests, a queue has built up. Campaign reviews are expected to take longer. Twilio is working with the provider to help expedite this process. New details will be shared in our incident report as soon they become available.

Will my Twilio short code work internationally?

Short codes are provisioned on a country-by-country basis. A short code is only able to send messages to, and receive messages from, same-country phone numbers on carrier networks that have approved the short code.

US short codes can only send to US phone numbers on US carrier networks that have approved that short code. If the end user is on a supported US carrier network but is out of the country (or in a US territory such as Puerto Rico or the US Virgin Islands), the message may be delivered successfully, but delivery is not guaranteed.

For Canada and UK short codes, the same principle applies. Please note that UK short codes’ coverage extends to England, Scotland, Northern Ireland, Wales, the Isle of Man and the Guernsey islands. UK short codes will not work for end users in the Republic of Ireland.

It is possible to send SMS messages worldwide from regular Twilio phone numbers using Global SMS.

For questions about which carriers Twilio short codes support, please see here.

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