Outage in Twilio

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

Resolved Minor

February 26, 2026 - Started about 20 hours ago - Lasted about 3 hours
Official incident page

Incident Report

Summary AI Generated

Twilio experienced SMS delivery failures from a subset of long codes to Shelcomm network subscribers in the United States, affecting SMS Long Code services in North America. The issue prevented messages from being delivered to users on the Shelcomm network for approximately 3.1 hours. Twilio identified the root cause, implemented a fix, and confirmed full service restoration after monitoring for stability.

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.

Components affected

Twilio SMS Long Code, North America

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Latest Updates ( sorted recent to last )

RESOLVED about 17 hours ago - at 02/26/2026 04:04AM

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.

MONITORING about 19 hours ago - at 02/26/2026 02:25AM

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.

IDENTIFIED about 20 hours ago - at 02/26/2026 01:45AM

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.

INVESTIGATING about 20 hours ago - at 02/26/2026 12:58AM

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