SMS Delivery Failures from a Subset of Twilio Long Codes to Shelcomm United States

Incident Report for Twilio

Resolved

We no longer experience SMS delivery failures from a subset of Twilio Long Codes to Shelcomm network subscribers in the United States. This incident has been resolved.

Posted Feb 25, 2026 - 20:04 PST

Monitoring

We have observed a recovery in SMS delivery from a subset of Twilio Long Codes to Shelcomm network subscribers in the United States and are monitoring service stability. We will provide another update in 2 hours or as soon as more information becomes available.

Posted Feb 25, 2026 - 18:25 PST

Identified

Twilio customers may be experiencing SMS delivery failures from a subset of Twilio Long Codes to Shelcomm network subscribers in the United States. Our team has identified the cause, and is working to resolve the issue. We will provide another update in 1 hour or as soon as more information becomes available.

Posted Feb 25, 2026 - 17:45 PST

Investigating

Twilio customers may be experiencing SMS delivery failures from a subset of Twilio Long Codes to Shelcomm network subscribers in the United States. Our team is actively investigating this issue. We will provide another update in 1 hour or as soon as more information becomes available.

Posted Feb 25, 2026 - 16:58 PST

This incident affected: CARRIER NETWORK (SMS Long Code, North America).