Zingle incident
SMS Delivery Delays from a Subset of Twilio Long Codes and Toll-Free Numbers to Viaero United States
Zingle experienced a minor incident on May 21, 2026, lasting 6d 9h. The incident has been resolved; the full update timeline is below.
Update timeline
- monitoring May 21, 2026, 05:35 PM UTC
Twilio customers may be experiencing SMS delivery delays from a subset of Twilio Long Codes and Toll-Free Numbers to Viaero 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.