---
page_type: error
code: 30006
message: "30006: Landline or unreachable carrier"
level: ERROR
product: Programmable SMS
---

## Description

### Message Delivery - Landline or unreachable carrier

The destination number is unable to receive this message.

### Possible Causes

- The destination number is unable to receive this message. Potential reasons could include trying to reach a landline or, in the case of short codes, an unreachable carrier.
- Your message was sent to a landline, or an unreachable carrier for this phone number type.

### Possible Solutions

- Use [Lookup](/docs/lookup/v2-api/line-type-intelligence) to determine if the number is indeed a landline. If not, try again with a different phone number type. Check out the video linked below for more information.

https://www.youtube.com/watch?v=d8GfbPBaSuM