# SendGrid: Incident updated: MMS Delivery Delays from a Subset of Twilio Long Codes to AT&T United States

**Summary:** _summary pending_
- Kind: Incident update · Label: not classified yet
- Changed: 2026-10-19 21:43 UTC · Detected: 2026-10-19 21:43 UTC
- [Source: https://stspg.io/mrcvpbg228qr](https://stspg.io/mrcvpbg228qr)
- [Company: SendGrid](https://rewindex.com/company/sendgrid.md)
- Versions: before incident\_version:258/cyfd9v2gnnvg@13034ed08d53 → after incident\_version:258/cyfd9v2gnnvg@12e427e711eb
- Change 2 of 6 for this incident

Incident page (full timeline): [MMS Delivery Delays from a Subset of Twilio Long Codes to AT&T United States](https://rewindex.com/company/sendgrid/incidents/cyfd9v2gnnvg.md)
## What changed

**1. Changed: Status**

```diff
- investigating
+ identified
```

**2. Added: Update** (identified) · 2026-10-19 21:36 UTC

```diff
+ Twilio customers may be experiencing MMS delivery delays from a subset of Twilio Long Codes to AT&T network subscribers in the United States. Our team has identified the cause, and is working to resolve the issue. We will provide another update in 1 hour or as soon as more information becomes available.
```

## History of this incident

| When (UTC) | Change | Label |
| --- | --- | --- |
| 2026-10-19 21:33 UTC | [Incident updated: MMS Delivery Delays from a Subset of Twilio Long Codes to AT&T United States](https://rewindex.com/change/r90b9d6328e6872.md) |  |
| 2026-10-19 21:43 UTC | Incident updated: MMS Delivery Delays from a Subset of Twilio Long Codes to AT&T United States (this change) |  |
| 2026-10-19 22:43 UTC | [Incident updated: MMS Delivery Delays from a Subset of Twilio Long Codes to AT&T United States](https://rewindex.com/change/rca1d5d093712c4.md) |  |
| 2026-10-20 00:53 UTC | [Incident updated: MMS Delivery Delays from a Subset of Twilio Long Codes to AT&T United States](https://rewindex.com/change/r6ce1752daf431f.md) |  |
| 2026-10-20 03:13 UTC | [Incident updated: MMS Delivery Delays from a Subset of Twilio Long Codes to AT&T United States](https://rewindex.com/change/r693131cd184be1.md) |  |
| 2026-10-20 05:03 UTC | [Incident updated: MMS Delivery Delays from a Subset of Twilio Long Codes to AT&T United States](https://rewindex.com/change/re48598eff13af4.md) |  |

Previous: [change](https://rewindex.com/change/r90b9d6328e6872.md) · Next: [change](https://rewindex.com/change/rca1d5d093712c4.md) · All SendGrid changes: [timeline](https://rewindex.com/company/sendgrid/changes.md)
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Canonical: https://rewindex.com/change/r72534c881093d2 · Markdown: https://rewindex.com/change/r72534c881093d2.md · JSON: https://rewindex.com/api/v1/changes/r72534c881093d2 · Generated 2026-10-20T05:27:50.924Z