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Twilio · Apps and SaaSSep 25, 2026, 18:11 UTC 6 weeks ago

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

MinorNot disclosedUpdated 46d ago
Sep 25, 18:11 UTCSep 25, 20:35 UTC
Duration
2h 24m
Impact
Minor
Root cause
Not disclosed
Twilio, 90 days
549 incidents
Affected
SMS Short Code, North AmericaCARRIER NETWORK - SMS Short Code, North America
Status page

Final update

The incident has been resolved and SMS delivery from a subset of Twilio Short Codes to T-Mobile network subscribers in the United States is operating normally.

Timeline

  1. Resolved · Sep 25, 20:35 UTC
    The incident has been resolved and SMS delivery from a subset of Twilio Short Codes to T-Mobile network subscribers in the United States is operating normally.
  2. Monitoring · Sep 25, 18:34 UTC
    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.
  3. Identified · Sep 25, 18:21 UTC
    Twilio customers may be experiencing SMS delivery failures 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.
  4. Investigating · Sep 25, 18:11 UTC
    Twilio customers may be experiencing SMS delivery failures 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.

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