SMS and MMS Delivery Delays to T-Mobile in the USA

Incident Report for Twilio

Resolved

We are no longer experiencing MMS and SMS delivery delays to T-Mobile network in the USA from Zipwhip Toll Free phone numbers. This incident has been resolved.

Posted Jul 14, 2025 - 08:34 PDT

Monitoring

We are observing recovery in MMS and SMS delivery delays to T-Mobile network in the USA from Zipwhip Toll Free phone numbers. 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.

Posted Jul 14, 2025 - 06:31 PDT

Update

We are continuing our investigation and have discovered Zipwhip Toll Free SMS and MMS are also affected by SMS and MMS Delivery Delays to T-Mobile in the USA.

Posted Jul 14, 2025 - 05:45 PDT

Update

We are continuing our investigation and have discovered Zipwhip is also affected by SMS and MMS Delivery Delays to T-Mobile in the USA.

Posted Jul 14, 2025 - 05:41 PDT

Investigating

We are experiencing SMS and MMS delivery delays to T-Mobile network in the USA. 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 Jul 14, 2025 - 05:31 PDT

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