Zingle incident
SMS Delivery Delays from a Subset of Twilio Short Codes to Onvoy Spectrum Mobile United States
Zingle experienced a major incident on October 9, 2026 affecting Twilio and SMS Short Code, North America and 1 more component, lasting 2h 51m. The incident has been resolved; the full update timeline is below.
Affected components
Update timeline
- investigating Oct 09, 2026, 08:59 AM UTC
Twilio customers may be experiencing SMS delivery delays from a subset of Twilio Short Codes to Onvoy Spectrum 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.
- investigating Oct 09, 2026, 10:05 AM UTC
Twilio customers may be experiencing SMS delivery delays from a subset of Twilio Short Codes to Onvoy Spectrum Mobile network subscribers in the United States. Our team is actively investigating this issue. We will provide another update in 2 hours or as soon as more information becomes available.
- identified Oct 09, 2026, 11:42 AM UTC
We have completed our investigation and determined that this event did not result in any customer impact. All systems are operating normally.
- monitoring Oct 09, 2026, 11:50 AM UTC
We have completed our investigation and determined that this event did not result in any customer impact. All systems are operating normally.
- resolved Oct 09, 2026, 11:50 AM UTC
The incident has been resolved and SMS delivery from a subset of Twilio Short Codes to Onvoy Spectrum Mobile network subscribers in the United States is operating normally.
- monitoring Oct 09, 2026, 12:59 PM UTC
Twilio customers may be experiencing SMS delivery delays from a subset of Twilio Short Codes to Onvoy Spectrum 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.
- monitoring Oct 09, 2026, 02:05 PM UTC
Twilio customers may be experiencing SMS delivery delays from a subset of Twilio Short Codes to Onvoy Spectrum Mobile network subscribers in the United States. Our team is actively investigating this issue. We will provide another update in 2 hours or as soon as more information becomes available.
- monitoring Oct 09, 2026, 03:42 PM UTC
We have completed our investigation and determined that this event did not result in any customer impact. All systems are operating normally.
- monitoring Oct 09, 2026, 03:50 PM UTC
We have completed our investigation and determined that this event did not result in any customer impact. All systems are operating normally.
- monitoring Oct 09, 2026, 03:50 PM UTC
The incident has been resolved and SMS delivery from a subset of Twilio Short Codes to Onvoy Spectrum Mobile network subscribers in the United States is operating normally.