SMS Delivery Delays to United States Cellular Corp In United States of America via Subset of Shortcodes

Incident Report for Twilio

Resolved

We are no longer experiencing SMS delivery delays when sending messages to United States Cellular Corp in United States of America via Subset of Shortcodes. This incident has been resolved.

Posted Feb 07, 2026 - 08:42 PST

Monitoring

We are observing recovery in SMS delivery delays when sending messages to United States Cellular Corp in United States of America via Subset of Shortcodes. 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 Feb 07, 2026 - 06:43 PST

Update

We continue to experience SMS delivery delays to United States Cellular Corp in United States of America via Subset of Shortcodes. Our engineers are working with our carrier partner to resolve the issue. We will provide another update in 8 hours or as soon as more information becomes available.

Posted Feb 07, 2026 - 05:21 PST

Update

We are continue to experience SMS delivery delays to United States Cellular Corp in United States of America via Subset of Shortcodes. Our engineers are working with our carrier partner to resolve the issue. We will provide another update in 4 hours or as soon as more information becomes available.

Posted Feb 07, 2026 - 01:16 PST

Update

We are continuing to experience SMS delivery delays to United States Cellular Corp in United States of America via Subset of Shortcodes. Our engineers are working with our carrier partner to resolve the issue. We will provide another update in 2 hours or as soon as more information becomes available.

Posted Feb 06, 2026 - 23:21 PST

Investigating

We are experiencing SMS delivery delays to United States Cellular Corp in United States of America via Subset of Shortcodes. 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 Feb 06, 2026 - 22:31 PST

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