MMS Delivery Failures from a Subset of Twilio Short Codes, Long Codes, and Toll-Free Numbers to US Cellular United States

Resolved

We are posting a retrospective update for an incident that occurred on 06/11/2026 18:20 UTC . Customers may have experienced MMS Delivery Failures from a Subset of Twilio Shortcode, Longcode and Toll-Free Numbers to US Cellular network subscribers in the United States. This incident has been resolved as of 06/11/2026 18:51 UTC. We apologize for the delay in this communication.