Product: Programmable Voice
## Error - 21216
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 firstname.lastname@example.org with an explanation of your use case.
The phone number dialed is on the Twilio blocklist
Change the number dialed or reach out to Twilio for an exception