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minor✓ Resolved

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

Twilio•Fri, Sep 4, 2026, 01:27 PM
Status
resolved
Duration
3h 52m
Updates
3
Coverage
0 articles

INCIDENT TIMELINE

✓ ResolvedFri, Sep 4, 2026, 05:20 PM
This incident has been resolved.
monitoringFri, Sep 4, 2026, 03:10 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.
identifiedFri, Sep 4, 2026, 02:28 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.
investigatingFri, Sep 4, 2026, 01:27 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 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.

📊 TECHNICAL DETAILS

Internal ID
b5bb0008-eb52-4e70-a05d-c8d57cdd3cae
External ID
0rp55rxt5l1r
🕐 Started
Fri, Sep 4, 2026, 01:27 PM
🔄 Last Updated
Fri, Sep 4, 2026, 05:20 PM
✓ Resolved
Fri, Sep 4, 2026, 05:20 PM
MINOR
Impact Level
3h 52m
Total Duration
3
Status Updates
Affected Components
SMS Short Code, North America
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