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Bandwidth

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

Partial outage Lasted 11h 40m · started · Bandwidth's page

Level
confirmed
Worst impact
Partial outage
Components
MMS Messaging (MM4)

What to do

  • Check whether you use Bandwidth MMS Messaging (MM4). Check your stack

    Paste a package.json, lockfile, Terraform or a list of domains at down.guide/stack to see every provider you depend on.
  • Confirm your retries, queues and scheduled jobs caught up after the 11h 40m it lasted.

    Anything that failed between 2026-11-03 14:38 UTC and 2026-11-04 02:17 UTC may need a replay.
  • Subscribe to Bandwidth's feed to hear about the next one first. RSS feed

    https://down.guide/feed?provider=bandwidth works in Slack (/feed subscribe), Discord feed bots and any RSS reader.

Updates from Bandwidth 5

  1. 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.

    provider

  2. 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.

    provider

  3. monitoring

    Teams are observing expected messaging process behavior. We will continue to monitor for stability.

    provider

  4. resolved

    This incident has been resolved.

    provider

  5. 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.

    provider

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Corrections

None so far.

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Questions about DWN-c0e8d5c763

Is Bandwidth still down?

No, this incident was resolved 2026-11-04 02:17 UTC. For Bandwidth's live state, see https://down.guide/bandwidth.

How long did it last?

11h 40m, from 2026-11-03 14:38 UTC to 2026-11-04 02:17 UTC, by the times Bandwidth posted.

What was affected?

Bandwidth named MMS Messaging (MM4).

What caused it?

Bandwidth hasn't published a root cause. If it does, it shows here.

Where does this come from?

Bandwidth's official status page, https://status.bandwidth.com, quoted verbatim. down.guide's own probes, reports and social counts are labeled as ours.