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 10 DLC guidelines

To send SMS messages from a 10 digit long code number into US networks, you must set up and register the number with Vonage. Messages sent from unregistered numbers will be blocked.

Examples of 10 DLC numbers

+44 1234 567890

01234 567890
+1 123 456 7890
(123) 456 7890

To register a number, go to Important 10 DLC guidelines for US customers or contact your account manager.

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