SMS Delivery Report Delays to T-Mobile Network in United States of America via Subset of Short Codes

Incident Report for Twilio

Resolved

We are no longer experiencing delivery report delays T-Mobile Network in the United States. This incident has been resolved.

Posted Oct 07, 2025 - 17:37 PDT

Monitoring

We are observing recovery in delivery report delays when sending to T-Mobile Network in the United States.. We will continue monitoring the service to ensure a full recovery. We will provide another update in 2 hours or as soon as more information becomes available.

Posted Oct 07, 2025 - 15:48 PDT

Update

We are continuing to investigate this issue.

Posted Oct 07, 2025 - 13:58 PDT

Update

We have identified that this incident is impacting only Delivery Reports, message delivery is not impacted and we are experiencing delays in receiving message delivery reports a subset of short codes to T-Mobile Network in the United States. Our engineers are working with our carrier partner to resolve the issue. We expect to provide another update in 2 hours or as soon as more information becomes available.

Posted Oct 07, 2025 - 13:58 PDT

Investigating

We are experiencing SMS delivery delays when sending messages a subset of short codes to T-Mobile Network in the United States. Our engineers are working with our carrier partner to resolve the issue. We will provide another update in 1 hour or as soon as more information becomes available.

Posted Oct 07, 2025 - 12:43 PDT

This incident affected: CARRIER NETWORK (SMS Short Code, North America).