---
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"@type": TechArticle
"@id": https://www.twilio.com/docs/api/errors/50439#article
headline: "50439: Account is not authorized to use the projected address"
url: https://www.twilio.com/docs/api/errors/50439
inLanguage: en
dateModified: 2026-03-11T20:43:38.000Z
author:
  "@type": Organization
  name: Twilio Developer Education Team
publisher:
  "@type": Organization
  name: Twilio
---

# 50439: Account is not authorized to use the projected address

Log Type: APPLICATION

Log Level: ERROR

## Description

Address used as Projected Address does not belong to the account.

### Possible causes

* The account does not own the Address (eg. phone number) used as a Projected Address.

### Possible solutions

* Use a different address owned by the account.