---
"@context": https://schema.org
"@type": TechArticle
"@id": https://www.twilio.com/docs/api/errors/21616#article
headline: "21616: The 'From' number matches multiple numbers for your account"
url: https://www.twilio.com/docs/api/errors/21616
inLanguage: en
dateModified: 2025-12-18T21:40:49.000Z
author:
  "@type": Organization
  name: Twilio Developer Education Team
publisher:
  "@type": Organization
  name: Twilio
---

# 21616: The 'From' number matches multiple numbers for your account

Log Level: ERROR

## Description

You have attempted to send a SMS with a 'From' number that matches more than one number belonging to your account. Please submit the 'From' number in E.164 format to resolve the ambiguity.