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minor✓ Resolved

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

Twilio•Tue, Apr 21, 2026, 10:04 AM
Status
resolved
Duration
3h 5m
Updates
3
Coverage
0 articles

INCIDENT TIMELINE

✓ ResolvedTue, Apr 21, 2026, 01:10 PM
This incident has been resolved.
monitoringTue, Apr 21, 2026, 11:13 AM
We have observed a recovery in SMS delivery 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.
identifiedTue, Apr 21, 2026, 10:22 AM
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 has identified the cause, and is working to resolve the issue. We will provide another update in 1 hour or as soon as more information becomes available.
investigatingTue, Apr 21, 2026, 10:04 AM
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
6254db26-89cd-4ea1-812f-afd35079aef4
External ID
1qqpr0h599t8
🕐 Started
Tue, Apr 21, 2026, 10:04 AM
🔄 Last Updated
Tue, Apr 21, 2026, 01:10 PM
✓ Resolved
Tue, Apr 21, 2026, 01:10 PM
MINOR
Impact Level
3h 5m
Total Duration
3
Status Updates
Affected Components
SMS Short Code, North America
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