---
page_type: error
code: 22213
message: "22213: Invalid Number 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 Number Type is malformed or is not an acceptable value.

### Possible Solutions

Ensure that the Number Type value is spelled correctly or is an acceptable Number Type in the Regulations LIST resource