Twilio incident
SMS Delivery Failures from a Subset of Twilio Long Codes to Iliad Italy
Twilio experienced a minor incident on September 10, 2026 affecting SMS, Europe, lasting 1d 4h. The incident has been resolved; the full update timeline is below.
Affected components
Update timeline
- investigating Sep 10, 2026, 12:32 PM UTC
Twilio customers may be experiencing SMS delivery receipt delays from a subset of Twilio Long Codes to Iliad network subscribers in Italy. 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.
- identified Sep 10, 2026, 12:57 PM UTC
Twilio customers may be experiencing SMS delivery receipt delays from a subset of Twilio Long Codes to Iliad network subscribers in Italy. 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.
- identified Sep 10, 2026, 01:57 PM UTC
Twilio customers may be experiencing SMS delivery receipt delays from a subset of Twilio Long Codes to Iliad network subscribers in Italy. 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 2 hours or as soon as more information becomes available.
- identified Sep 10, 2026, 03:58 PM UTC
Twilio customers may be experiencing SMS delivery receipt delays from a subset of Twilio Long Codes to Iliad network subscribers in Italy. 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 4 hours or as soon as more information becomes available.
- identified Sep 10, 2026, 06:34 PM UTC
Twilio customers may be experiencing SMS delivery failures from a subset of Twilio Long Codes to Iliad network subscribers in Italy. Our team has identified the cause, and is working to resolve the issue. We will provide another update in 8 hours or as soon as more information becomes available.
- identified Sep 10, 2026, 07:58 PM UTC
Twilio customers may be experiencing SMS delivery receipt delays from a subset of Twilio Long Codes to Iliad network subscribers in Italy. 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 8 hours or as soon as more information becomes available.
- monitoring Sep 10, 2026, 09:03 PM UTC
We have observed a recovery in SMS delivery from a subset of Twilio Long Codes to Iliad network subscribers in Italy and are monitoring service stability. We will provide another update in 2 hours or as soon as more information becomes available.
- monitoring Sep 10, 2026, 11:04 PM UTC
We have observed a recovery in SMS delivery from a subset of Twilio Long Codes to Iliad network subscribers in Italy and are monitoring service stability. We will provide another update in 4 hours or as soon as more information becomes available.
- monitoring Sep 11, 2026, 03:12 AM UTC
We have observed a recovery in SMS delivery from a subset of Twilio Long Codes to Iliad network subscribers in Italy and are monitoring service stability. We will provide another update in 8 hours or as soon as more information becomes available.
- monitoring Sep 11, 2026, 11:13 AM UTC
We have observed a recovery in SMS delivery from a subset of Twilio Long Codes to Iliad network subscribers in Italy and are monitoring service stability. We will provide another update in 16 hours or as soon as more information becomes available.
- resolved Sep 11, 2026, 05:18 PM UTC
The incident has been resolved and SMS delivery from a subset of Twilio Long Codes to Iliad network subscribers in Italy is operating normally.