SMS Guidelines for Cuba
MCC: 368
Dial Code: 53
Alphanumeric Sender IDs are supported with registration. Alpha numeric Sender ID registration is required.
Senders composed of a combination of letters and numbers are not supported.
Provision times for Alphanumeric Registration up to 6 months.
Please make sure to always refer to our Acceptable Use Policy for Messaging.
For more information on Alpha Sender ID registration kindly reach out to alpha_sender_id@telnyx.com.