MCC: 434
​Dial Code: 998
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Alphanumeric Sender ID registration is required. Occasionally Alphanumeric Sender ID might be overwritten to Random Short Code to ensure delivery.
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​Information on Alphanumeric Sender ID registration:
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Please provide the details below along with a copy of your Business Registration to alpha_sender_id@telnyx.com:
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1) SenderID to be registered

2) Message/Content type

3) Message/Content example

4) Company name (and Brand name if different)

5) Website of brand or company

6) Company Country of origin

7) Expected volumes per month

8) Email linked to your Telnyx account
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Companies must have a valid business case for the requested Alphanumeric Sender ID. If the relationship between your company/brand and the requested Alphanumeric Sender ID is not clear, please provide additional supporting documentation detailing your business case.
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​Additional recommendations:
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Consent (Proof for Opt-in) should be obtained before sending any communications, i.e. Marketing SMS
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Traffic should include clear Opt-Out options.
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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 Alpha Sender ID registration kindly reach out to alpha_sender_id@telnyx.com.
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