# Outbound 10DLC MMS Delivery Incident - T-Mobile, Verizon, AT&T

- Provider: [Bandwidth](https://down.guide/bandwidth)
- Level: confirmed
- Impact: Partial outage
- lasted 11h 40m
- started 2026-11-03 14:38 UTC
- MMS Messaging (MM4)
- id: DWN-c0e8d5c763
- Official page: https://stspg.io/phslwynrb8mj

## Updates from Bandwidth
### 2026-11-03 14:38 UTC: investigating
Bandwidth teams have identified an off-network incident impacting the timely delivery of MMS messages to T-Mobile and Verizon destinations. Bandwidth is working with this industry provider to restore expected MMS delivery.

### 2026-11-03 15:25 UTC: investigating
Teams continue to work with the off net provided to resolve MMS delivery delays. This delay includes 10DLC Outbound MMS and Short Code MMS messages for T-Mobile, Verizon, and AT&T destinations.

### 2026-11-04 01:24 UTC: monitoring
Teams are observing expected messaging process behavior. We will continue to monitor for stability.

### 2026-11-04 02:17 UTC: resolved
This incident has been resolved.

### 2026-11-05 12:28 UTC: postmortem
Between 13:40 UTC on November 3 and 01:00 UTC November 4, customers encountered intermittent disruption in the form of delays and expired messages for the following message types:
\* Outbound 10DLC MMS to Verizon and T-Mobile Subscribers
\* Outbound Shortcode MMS to Verizon, T-Mobile and AT&T Subscribers
Bandwidth is continuing to investigate this issue to identify all actions necessary to prevent this from recurring and will update this post with an Incident Report after investigations have concluded.
We are grateful you have entrusted Bandwidth as your communication partner and we are sorry if this issue resulted in any disruption to your services.

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