---
title: 2006: Phone number permission denied | API Docs
description: You cannot send from this phone number.
---

You cannot send from this phone number. This is an HTTP 403 error indicating the phone number you specified in the `from` field is not authorized for your account.

## Troubleshooting

- Verify the phone number is assigned to your account

## Related

- [Authentication](/getting-started/authentication/index.md)
- [Sending messages](/guides/messaging/sending-messages/index.md)
- [Debugging](/guides/platform/debugging/index.md)