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minor✓ Resolved

SMS Delivery Receipt Delays from a Subset of Twilio Short Codes to T-Mobile United States

SendGrid•Mon, Aug 31, 2026, 01:43 PM
Status
resolved
Duration
7h 2m
Updates
5
Coverage
0 articles

INCIDENT TIMELINE

✓ ResolvedMon, Aug 31, 2026, 08:46 PM
This incident has been resolved.
monitoringMon, Aug 31, 2026, 06:33 PM
We have observed a recovery in SMS delivery receipts from a subset of Twilio Short Codes to T-Mobile 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.
identifiedMon, Aug 31, 2026, 05:45 PM
Twilio customers may be experiencing SMS delivery receipt delays from a subset of Twilio Short Codes to T-Mobile 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.
identifiedMon, Aug 31, 2026, 03:44 PM
Twilio customers may be experiencing SMS delivery receipt delays from a subset of Twilio Short Codes to T-Mobile 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.
identifiedMon, Aug 31, 2026, 02:42 PM
Twilio customers may be experiencing SMS delivery receipt delays from a subset of Twilio Short Codes to T-Mobile 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.
investigatingMon, Aug 31, 2026, 01:43 PM
Twilio customers may be experiencing SMS delivery delays from a subset of Twilio Short Codes to T-Mobile 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.

📊 TECHNICAL DETAILS

Internal ID
2f625be8-28e9-45af-986d-08aec1dd122e
External ID
ypxvrbltbf2b
🕐 Started
Mon, Aug 31, 2026, 01:43 PM
🔄 Last Updated
Mon, Aug 31, 2026, 08:46 PM
✓ Resolved
Mon, Aug 31, 2026, 08:46 PM
MINOR
Impact Level
7h 2m
Total Duration
5
Status Updates
Affected Components
SMS Short Code, North America
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