Zingle incident
SMS Delivery Receipt Delays from a Subset of Twilio Long Codes to Multiple Small Networks in United States
Resolved after 4 days 7 hours, on July 16, 2026.
The incident has been resolved and SMS delivery receipts from a subset of Twilio Long Codes to affected networks in the United States are operating normally.
Update timeline
- monitoring Jul 16, 2026, 08:36 PM UTC
Twilio customers may be experiencing SMS delivery receipt delays from a subset of Twilio Long Codes to network subscribers on multiple networks 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.
- monitoring Jul 16, 2026, 08:37 PM UTC
Twilio customers may be experiencing SMS delivery receipt delays from a subset of Twilio Long Codes to network subscribers on multiple networks 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.
- monitoring Jul 16, 2026, 08:40 PM UTC
Twilio customers may be experiencing SMS delivery receipt delays from a subset of Twilio Long Codes to network subscribers on multiple small networks 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.
- monitoring Jul 16, 2026, 09:45 PM UTC
Twilio customers may be experiencing SMS delivery receipt delays from a subset of Twilio Long Codes to network subscribers on multiple networks 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 2 hours or as soon as more information becomes available.
- monitoring Jul 16, 2026, 10:15 PM UTC
We have observed a recovery in SMS delivery receipts from a subset of Twilio Long Codes to network subscribers on multiple networks 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 Jul 17, 2026, 12:22 AM UTC
The incident has been resolved and SMS delivery receipts from a subset of Twilio Long Codes to affected networks in the United States are operating normally.
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