Outage in Twilio

SMS Delivery Delays from a Subset of Twilio Short Codes to Union Telecom network in United States

Resolved Minor

February 26, 2026 - Started about 1 month ago - Lasted about 5 hours
Official incident page

Incident Report

Summary AI Generated

Twilio experienced SMS delivery delays lasting 4.6 hours affecting messages sent from a subset of Short Codes to Union Telecom network subscribers in the United States. The issue impacted Twilio's SMS Short Code service in North America, causing delayed message delivery for customers trying to reach Union Telecom users. Twilio identified the root cause and resolved the incident, with SMS delivery returning to normal operation.

Twilio customers may be experiencing SMS delivery delays from a subset of Twilio Short Codes to Union Telecom 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 Short Code, North America

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Latest Updates ( sorted recent to last )

RESOLVED about 1 month ago - at 02/27/2026 01:11AM

The incident has been resolved and SMS delivery delays from a subset of Twilio Short Codes to Union Telecom network subscribers in the United States is operating normally.

MONITORING about 1 month ago - at 02/26/2026 11:10PM

We have observed a recovery in SMS delivery from a subset of Twilio Short Codes to Union Telecom 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 1 month ago - at 02/26/2026 09:39PM

Twilio customers may be experiencing SMS delivery delays from a subset of Twilio Short Codes to Union Telecom 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 2 hours or as soon as more information becomes available.

IDENTIFIED about 1 month ago - at 02/26/2026 08:42PM

Twilio customers may be experiencing SMS delivery delays from a subset of Twilio Short Codes to Union Telecom 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 1 month ago - at 02/26/2026 08:37PM

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