Source note · Troubleshooting business SMS that is not delivered
Twilio error 30006 indicates the destination cannot receive the message, typically a landline or a carrier a short code cannot reach, and Twilio advises not retrying landline numbers.
Checked 2026-10-02
- Vendor
- Twilio
- Product
- Twilio Programmable Messaging
- Subsystem
- delivery error codes
- Deployment
- multi-tenant
- Region
- not restricted
- Release range
- current as of 2026-10-02
- Checked
- 2026-10-02
Sources
- 30006: Landline or unreachable carrier — Twilio · tier 2 current vendor documentation · definition and Possible solutions sections
Cite this note
APA
WarmTransfer. (2026, October 2). Troubleshooting business SMS that is not delivered: source note business-sms-delivery-troubleshooting-err-30006-landline. WarmTransfer. https://warmtransfer.net/knowledge/claims/business-sms-delivery-troubleshooting-err-30006-landline
BibTeX
@misc{warmtransfer-claim-business-sms-delivery-troubleshooting-err-30006-landline,
title = {Troubleshooting business SMS that is not delivered: source note business-sms-delivery-troubleshooting-err-30006-landline},
author = {{WarmTransfer}},
year = {2026},
url = {https://warmtransfer.net/knowledge/claims/business-sms-delivery-troubleshooting-err-30006-landline},
note = {Source note business-sms-delivery-troubleshooting-err-30006-landline, checked 2026-10-02}
}