Minor incident

Twilio: MMS Delivery Delays and Failures from a Subset of Twilio Long Codes to Cellcom United States

Affected: MMS Long Code, North America, MMS Long Code, North America

Current status of Twilio: Minor issues — live Twilio status

Timeline

1. Oct 26, 2026, 20:29 UTC
   investigating
   Twilio customers may be experiencing MMS delivery delays and failures from a subset of Twilio Long Codes to Cellcom 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.
2. Oct 26, 2026, 20:34 UTC
   identified
   Twilio customers may be experiencing MMS delivery delays and failures from a subset of Twilio Long Codes to Cellcom 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.
3. Oct 26, 2026, 21:34 UTC
   identified
   Twilio customers may be experiencing MMS delivery delays and failures from a subset of Twilio Long Codes to Cellcom 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 2 hours or as soon as more information becomes available.
4. Oct 26, 2026, 23:35 UTC
   identified
   Twilio customers may be experiencing MMS delivery delays and failures from a subset of Twilio Long Codes to Cellcom 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 4 hours or as soon as more information becomes available.
5. Oct 27, 2026, 03:35 UTC
   identified
   Twilio customers may be experiencing MMS delivery delays and failures from a subset of Twilio Long Codes to Cellcom 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 8 hours or as soon as more information becomes available.
6. Oct 27, 2026, 06:58 UTC
   monitoring
   We have observed a recovery in MMS delivery from a subset of Twilio Long Codes to Cellcom 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.
7. Oct 27, 2026, 08:59 UTC
   monitoring
   We have observed a recovery in MMS delivery from a subset of Twilio Long Codes to Cellcom network subscribers in the United States and are monitoring service stability. We will provide another update in 4 hours or as soon as more information becomes available.
8. Oct 27, 2026, 12:59 UTC
   monitoring
   We have observed a recovery in MMS delivery from a subset of Twilio Long Codes to Cellcom network subscribers in the United States and are monitoring service stability. We will provide another update in 8 hours or as soon as more information becomes available.
9. Oct 27, 2026, 21:00 UTC
   monitoring
   We have observed a recovery in MMS delivery from Twilio Long Codes to Cellcom network subscribers in the United States and are monitoring service stability. We will provide another update in 16 hours or as soon as more information becomes available.
10. Oct 27, 2026, 21:08 UTC
    resolved
    The incident has been resolved and MMS delivery from a subset of Twilio Long Codes to Cellcom network subscribers in the United States is operating normally.

Updates as published by Twilio (original).