---
"@context": https://schema.org
"@type": TechArticle
"@id": https://www.twilio.com/docs/api/errors/21214#article
headline: "21214: 'To' phone number cannot be reached"
url: https://www.twilio.com/docs/api/errors/21214
inLanguage: en
dateModified: 2025-12-18T21:40:49.000Z
author:
  "@type": Organization
  name: Twilio Developer Education Team
publisher:
  "@type": Organization
  name: Twilio
---

# 21214: 'To' phone number cannot be reached

Log Level: ERROR

## Description

You attempted to initiate an outbound phone call to a phone number that cannot be reached. Please check the number and try again.