Twilio: Intermittent SMS/MMS Deliverability Issues to AT&T Due to Incorrect Deactivation Data
Timeline of updates
- resolved
Twilio experienced degraded service on a subset of US short codes for approximately 48 hours between March 5th and March 7th, 2025. During this period, customers may have experienced message delivery failures to AT&T numbers due to certain numbers being incorrectly marked as deactivated in the operator’s data file. The issue has been resolved as of March 7th at 13:34 UTC.
From Twilio’s published incident history: for incidents before Rewindex began polling this status page, only the final update text is available.
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Cite this
Status incident (vendor impact label: none) posted by Twilio, started 2025-03-12 16:03 UTC, resolved after 9 min, 1 update(s).
- Title
- Intermittent SMS/MMS Deliverability Issues to AT&T Due to Incorrect Deactivation Data
- Vendor
- Twilio
- Date
- URL
- https://rewindex.com/company/twilio/incidents/nqdw4776ws80
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