Outage in Twilio
SMS Delivery Receipt Delays from a Subset of Twilio Long Codes to AT&T United States
Resolved MinorIncident Report
Summary AI Generated
For approximately 3.4 hours, a subset of Twilio Long Code numbers experienced delayed SMS delivery receipts when sending to AT&T subscribers in the United States, though messages themselves continued to be delivered successfully. Twilio identified the root cause during the incident and observed recovery before confirming full resolution. Service returned to normal operation as of October 27, 2026.
Twilio customers may be experiencing SMS delivery receipt delays from a subset of Twilio Long Codes to AT&T network subscribers in the United States. Our team is actively investigating this issue. Message delivery may succeed, but delivery receipts may be delayed. We will provide another update in 1 hour or as soon as more information becomes available.
Components affected
Twilio SMS Long Code, North AmericaTrusted by 1,000+ teams
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Latest Updates ( sorted recent to last )
RESOLVED
about 1 hour ago - at 10/27/2026 07:10AM
The incident has been resolved and SMS delivery receipts from a subset of Twilio Long Codes to AT&T network subscribers in the United States are operating normally.
MONITORING
about 3 hours ago - at 10/27/2026 05:09AM
We have observed a recovery in SMS delivery receipts from a subset of Twilio Long Codes to AT&T 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 3 hours ago - at 10/27/2026 05:09AM
Twilio customers may be experiencing SMS delivery receipt delays from a subset of Twilio Long Codes to AT&T network subscribers in the United States. Our team has identified the cause, and is working to resolve the issue. Message delivery may succeed, but delivery receipts may be delayed. We will provide another update in 1 hour or as soon as more information becomes available.
INVESTIGATING
about 3 hours ago - at 10/27/2026 04:53AM
Twilio customers may be experiencing SMS delivery receipt delays from a subset of Twilio Long Codes to AT&T network subscribers in the United States. Our team is actively investigating this issue. Message delivery may succeed, but delivery receipts may be delayed. We will provide another update in 2 hours or as soon as more information becomes available.
INVESTIGATING
about 4 hours ago - at 10/27/2026 03:53AM
Twilio customers may be experiencing SMS delivery receipt delays from a subset of Twilio Long Codes to AT&T network subscribers in the United States. Our team is actively investigating this issue. Message delivery may succeed, but delivery receipts may be delayed. We will provide another update in 1 hour or as soon as more information becomes available.
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