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The 'From' phone number provided is not a valid message-capable Twilio phone number for this destination/account



ERROR: 21606

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PROGRAMMABLE SMS
ERROR

You can only send SMS messages from a phone number, Alphanumeric Sender ID or short code(link takes you to an external page) provided by or ported to Twilio. Phone numbers must be SMS-capable. For Short Codes, the From number must be in the same country as the To number.

Visit the phone numbers page(link takes you to an external page) of your account portal to view a list of phone numbers that you own and to determine whether they are SMS-capable.

Possible Causes

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  • The number you are using may not be capable of sending messages.
  • The number may be formatted incorrectly. Twilio accepts numbers in E.164 format(link takes you to an external page) .
  • If the number is a Short Code, it must be associated with the same country as the destination address.
  • The number you are using is in the process of porting/hosting.
  • The number you are using does not belong to the account whose credentials are present in the API request.

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