---
"@context": https://schema.org
"@type": TechArticle
"@id": https://www.twilio.com/docs/api/errors/48025#article
headline: "48025: Outgoing conversation: Invalid contact address"
url: https://www.twilio.com/docs/api/errors/48025
inLanguage: en
dateModified: 2026-03-11T20:01:16.000Z
author:
  "@type": Organization
  name: Twilio Developer Education Team
publisher:
  "@type": Organization
  name: Twilio
---

# 48025: Outgoing conversation: Invalid contact address

Log Type: APPLICATION

Log Level: ERROR

## Description

A conversation could not be created because the provided contact address was invalid.

### Possible causes

* The contact phone number used to initiate a new conversation was invalid.

### Possible solutions

* Make sure that the contact address returned from the CRM callback is correct and properly formatted in [E.164 format](/docs/glossary/what-e164), including any channel prefixes if relevant.
  * Check out the [docs](/docs/frontline/my-customers) on CRM callbacks for additional information.