---
"@context": https://schema.org
"@type": TechArticle
"@id": https://www.twilio.com/docs/api/errors/60605#article
headline: "60605: Verification delivery attempt blocked"
url: https://www.twilio.com/docs/api/errors/60605
inLanguage: en
dateModified: 2026-03-11T22:03:37.000Z
author:
  "@type": Organization
  name: Twilio Developer Education Team
publisher:
  "@type": Organization
  name: Twilio
---

# 60605: Verification delivery attempt blocked

Log Type: APPLICATION

Log Level: ERROR

## Description

The destination phone number has been blocked by Verify Geo-Permissions

HTTP status: 403

Note: To align with evolving regulatory requirements, Twilio has stopped delivering voice, messaging, and email traffic to recipients in Iran starting March 15, 2025 and Syria & Cuba starting September 15, 2025.

### Possible causes

The destination has been disabled due to suspected fraudulent activity or for possible security reasons.

### Possible solutions

Investigate your application for potential abuse. If you have a legitimate need to call this number, please check the following: https://support.twilio.com/hc/en-us/articles/5054044369179-Error-60605-Verification-delivery-attempt-blocked-