Zingle incident
SMS Delivery Receipt Delays from a Subset of Twilio Short Codes to T-Mobile and Verizon United States
Zingle experienced a minor incident on June 3, 2026, lasting 1d 5h. The incident has been resolved; the full update timeline is below.
Update timeline
- monitoring Jun 03, 2026, 09:04 PM UTC
We have fully investigated the SMS delivery receipt delays from a subset of Twilio Short Codes to T-Mobile and Verizon network subscribers in the United States, and it was determined that the impact was limited to a small set of customers, who have been contacted individually to address any concerns. All systems are operational.