Outage in Twilio

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

Resolved Minor
July 14, 2025 - Started 4 months ago - Lasted about 3 hours
Official incident page

Incident Report

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.
Components affected
Twilio SMS Toll-Free, North America Twilio MMS Toll-Free, North America Twilio SMS Long Code, North America Twilio MMS Long Code, North America Twilio SMS Long Code, North America Twilio MMS Long Code, North America

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Latest Updates ( sorted recent to last )
RESOLVED 4 months ago - at 07/14/2025 03:34PM

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.

MONITORING 4 months ago - at 07/14/2025 01:31PM

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.

INVESTIGATING 4 months ago - at 07/14/2025 12:45PM

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.

INVESTIGATING 4 months ago - at 07/14/2025 12:41PM

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

INVESTIGATING 4 months ago - at 07/14/2025 12:31PM

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.

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