Error Guide

Error: Twilio Error Code 30006

What's Causing This Error?

Error code 30006 occurs when the message has been sent to a landline or when the carrier is unreachable.

Solution - Here's How To Resolve It

You can determine whether the number belongs to a landline by using Lookup API. If it is not the case, it is better to re-attempt with an alternative phone number type.

Other Common Twilio Errors (and Solutions)

View all errors

Multichannel Notifications Platform for SaaS

Products

Platform

Integrations

Customers

Blog

API Status

Subprocessors


© 2026 Courier. All rights reserved.