Outage in Twilio

SMS Delivery Delays and Failures To T-mobile Network in United States of America

Resolved Minor
September 29, 2025 - Started about 2 months ago - Lasted about 5 hours
Official incident page

Incident Report

We are experiencing SMS delivery delays when sending messages to T-Mobile Network in the United States of America. 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 Long Code, North America Twilio SMS Short Code, North America Twilio SMS Toll-Free, North America Twilio SMS Toll-Free, North America Twilio SMS Long Code, North America

Need to monitor Twilio outages?

One place to monitor all your cloud vendors. Get instant alerts when an outage is detected.

Start Free Trial
Latest Updates ( sorted recent to last )
RESOLVED about 2 months ago - at 09/29/2025 08:39PM

We are no longer experiencing SMS Delivery Delays and Failures To T-mobile Network in United States of America. This incident has been resolved.

MONITORING about 2 months ago - at 09/29/2025 06:16PM

We are observing a recovery when sending SMS To T-mobile Network in the United States of America. We will continue to monitor to ensure full service recovery. We expect to provide another update in 4 hours or as soon as more information becomes available.

MONITORING about 2 months ago - at 09/29/2025 04:26PM

We are observing a recovery when sending SMS To T-mobile Network in the United States of America. We will continue to monitor to ensure full service recovery. We expect to provide another update in 2 hours or as soon as more information becomes available.

INVESTIGATING about 2 months ago - at 09/29/2025 03:45PM

We are continuing to investigate this issue.

INVESTIGATING about 2 months ago - at 09/29/2025 03:43PM

We are experiencing SMS delivery delays when sending messages to T-Mobile Network in the United States of America. 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.

Latest Twilio outages

SMS Delivery Failures To NetOne Network In Zimbabwe - about 10 hours ago
SMS and MMS Delivery Reports Delays to Verizon Wireless Network in United States of America for a Subset of Short Codes and Toll Free Numbers. - about 23 hours ago
SMS Delivery Delays to Telefonica Network in Peru - about 24 hours ago
SMS Delivery Delays to Claro Network in Guatemala, Honduras and Nicaragua - 1 day ago
SMS Delivery Report Delays to Telefonica O2 Network in United Kingdom - 1 day ago

The Status Page Aggregator Built for IT Teams

With IsDown, you can monitor all your critical services' official status pages from one centralized dashboard and receive instant alerts the moment an outage is detected. Say goodbye to constantly checking multiple sites for updates and stay ahead of outages with IsDown.

Start free trial

No credit card required · Cancel anytime · 4600 services available

Integrations with Slack Microsoft Teams Google Chat Datadog PagerDuty Zapier Discord Webhook