---
page_type: error
code: 22121
message: "22121: Unable to Transfer Hosted Number"
level: ERROR
product: Phone Numbers
---

## Error - 22121

#### Unable to Transfer Hosted Number

#### Possible Causes

- The Hosted Number you are trying to transfer is not in status "in-use."

#### Possible Solutions

See [Exchanging Numbers Between Subaccounts](/docs/api/rest/subaccounts#exchanging-numbers) for more details about transferring numbers.