SMS Delivery Receipt Delays From a Subset of Twilio Short Codes to Viaero United States
Incident Lifecycle
Incident Timeline
Monitoring
We have observed a recovery in SMS delivery receipts from a subset of Twilio Short Codes to Viaero network subscribers in the United States and will continue monitoring service stability for the next 2 hours. We will provide another update in two hours or sooner if more information becomes available.
Mar 25, 2026 at 9:14 AM UTC
Monitoring
We have observed a recovery in SMS delivery receipts from a subset of Twilio Short Codes to Viaero network subscribers in the United States and will continue monitoring service stability for the next 2 hours. We will provide another update in two hours or sooner if more information becomes available.
Mar 25, 2026 at 7:14 AM UTC
Monitoring
We have observed a recovery in SMS delivery receipts from a subset of Twilio Short Codes to Viaero 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.
Mar 25, 2026 at 5:18 AM UTC
Identified
Twilio customers may be experiencing SMS delivery receipt delays from a subset of Twilio Short Codes to Viaero 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 16 hours or as soon as more information becomes available.
Mar 24, 2026 at 1:27 PM UTC
Identified
Twilio customers may be experiencing SMS delivery receipt delays from a subset of Twilio Short Codes to Viaero 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 6 hours or as soon as more information becomes available.
Mar 24, 2026 at 5:28 AM UTC
Identified
Twilio customers may be experiencing SMS delivery receipt delays from a subset of Twilio Short Codes to Viaero 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 4 hours or as soon as more information becomes available.
Mar 24, 2026 at 1:39 AM UTC
Identified
Twilio customers may be experiencing SMS delivery receipt delays from a subset of Twilio Short Codes to Viaero 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 2 hours or as soon as more information becomes available.
Mar 23, 2026 at 11:44 PM UTC
Investigating
Twilio customers may be experiencing SMS delivery receipt delays from a subset of Twilio Short Codes to Viaero 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.
Mar 23, 2026 at 10:44 PM UTC
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