---
page_type: error
code: 22212
message: "22212: Invalid End-User Type in request"
level: ERROR
product: Phone Numbers
---

## Description

An invalid End-User Type is included in the request to filter the Regulations LIST resource.

### Possible Causes

The End-User Type is malformed or is not an acceptable value.

### Possible Solutions

Ensure that the End-User Type value is spelled correctly or is present in the End-User Type LIST resource.