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Outage in Twilio

SMS Delivery Delays from a Subset of Twilio Short Codes to ISP Telecom United States

Resolved Minor
March 05, 2026 - Started about 1 month ago - Lasted about 5 hours
Official incident page

Incident Report

Summary AI Generated

Twilio experienced SMS delivery delays lasting 4.5 hours affecting messages sent from a subset of Twilio Short Codes to ISP Telecom network subscribers in the United States. The team identified the root cause and implemented a fix, with service recovery observed and monitored before full resolution. Normal SMS delivery operations were restored to all affected Short Codes and ISP Telecom subscribers.

Twilio customers may be experiencing SMS delivery delays from a subset of Twilio Short Codes to ISP 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.

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Latest Updates ( sorted recent to last )
RESOLVED about 1 month ago - at 03/06/2026 02:39AM

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

MONITORING about 1 month ago - at 03/06/2026 01:22AM

We have observed a recovery in SMS delivery from a subset of Twilio Short Codes to ISP 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.

MONITORING about 1 month ago - at 03/05/2026 11:20PM

We have observed a recovery in SMS delivery from a subset of Twilio Short Codes to ISP 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 03/05/2026 10:26PM

Twilio customers may be experiencing SMS delivery delays from a subset of Twilio Short Codes to ISP 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 03/05/2026 10:08PM

Twilio customers may be experiencing SMS delivery delays from a subset of Twilio Short Codes to ISP 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.

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