SMS Delivery Delays and Failures from a Subset of Twilio Toll-Free Numbers to Multiple Networks in United States

Incident Report for Twilio

Resolved

The incident has been resolved and SMS delivery from a subset of Twilio Toll-Free Numbers to affected networks in the United States is operating normally.

Posted May 15, 2026 - 00:04 PDT

Monitoring

We have observed a recovery in SMS delivery from a subset of Twilio Toll-Free Numbers to network subscribers on multiple networks 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.

Posted May 14, 2026 - 22:11 PDT

Identified

Twilio customers may be experiencing SMS delivery delays and failures from a subset of Twilio Toll-Free Numbers to network subscribers on multiple networks 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.

Posted May 14, 2026 - 21:09 PDT

Investigating

Twilio customers may be experiencing SMS delivery delays and failures from a subset of Twilio Toll-Free Numbers to network subscribers on multiple networks 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.

Posted May 14, 2026 - 20:54 PDT

This incident affected: ZIPWHIP MESSAGING (SMS Toll-Free, North America) and CARRIER NETWORK (SMS Toll-Free, North America).