Rate this page:

Error 21216

Product: Programmable Voice

ERROR - 21216

API: Call blocked by Twilio blocklist

## Error - 21216

API: Call blocked by Twilio blocklist

The destination number is blocked by Twilio because this destination has a high-risk of fraud or due to regulatory reasons cannot be enabled by default. If you have a legitimate need to call this number, please email with an explanation of your use case.

Possible Causes

The phone number dialed is on the Twilio blocklist

Possible Solutions

Change the number dialed or reach out to Twilio for an exception

Rate this page:

Thank you for your feedback!

Please select the reason(s) for your feedback. The additional information you provide helps us improve our documentation:

Sending your feedback...
🎉 Thank you for your feedback!
Something went wrong. Please try again.

Thanks for your feedback!

Refer us and get $10 in 3 simple steps!

Step 1

Get link

Get a free personal referral link here

Step 2

Give $10

Your user signs up and upgrade using link

Step 3

Get $10

1,250 free SMSes
OR 1,000 free voice mins
OR 12,000 chats
OR more