Outage in Twilio

SMS Delivery Delays to United States Cellular in the United States over a Subset of Shortcodes

Resolved Minor
July 06, 2025 - Started about 7 hours ago - Lasted about 5 hours
Official incident page

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Outage Details

We are experiencing SMS delivery delays when sending messages to United States Cellular in the United States over a 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.
Components affected
Twilio SMS Short Code, North America
Latest Updates ( sorted recent to last )
RESOLVED about 2 hours ago - at 07/06/2025 09:03PM

We are no longer experiencing SMS delivery delays when sending messages to United States Cellular in the United States over a subset of shortcodes. This incident has been resolved.

INVESTIGATING about 4 hours ago - at 07/06/2025 06:59PM

We are continuing to experience SMS delivery delays when sending messages to United States Cellular in the United States over a 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.

INVESTIGATING about 6 hours ago - at 07/06/2025 04:59PM

We are continuing to experience SMS delivery delays when sending messages to United States Cellular in the United States over a 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.

INVESTIGATING about 7 hours ago - at 07/06/2025 03:59PM

We are experiencing SMS delivery delays when sending messages to United States Cellular in the United States over a 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.

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