Singapore: SMS Guidelines

MCC: 525
​Dial Code: 65
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Mandatory registration of Alphanumeric Sender IDs has been implemented by the Infocomm Media Development Authority (IMDA) since January 31st, 2023.
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From this date and until July 31st, 2023, all submissions with un-registered Alphanumeric Sender IDs will be flagged and overwritten with "Likely-SCAM". After July 31st, 2023, messages with un-registered Alphanumeric Sender IDs will be blocked.
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Kindly note that the registration of Alphanumeric Senders involves fees.
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Please make sure to always refer to our Acceptable Use Policy for Messaging.
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For more information on Alphanumeric Sender ID registration kindly reach out to alpha_sender_id@telnyx.com.