---
"@context": https://schema.org
"@type": TechArticle
"@id": https://www.twilio.com/docs/api/errors/21252#article
headline: "21252: Invalid Region"
url: https://www.twilio.com/docs/api/errors/21252
inLanguage: en
dateModified: 2026-03-11T18:38:39.000Z
author:
  "@type": Organization
  name: Twilio Developer Education Team
publisher:
  "@type": Organization
  name: Twilio
---

# 21252: Invalid Region

Log Type: APPLICATION

Log Level: ERROR

## Description

### Possible causes

* The Region requested is not valid.

### Possible solutions

* Please see [Localized Termination URIs](/docs/sip-trunking#localized-termination-uris) for more information on the valid Elastic SIP Trunking Regions.