# SendGrid: Incident updated: SMS Delivery Delays from a Subset of Twilio Short Codes to Cellularone United States

**Summary:** _summary pending_
- Kind: Incident update · Label: not classified yet
- Changed: 2026-10-21 20:23 UTC · Detected: 2026-10-21 20:23 UTC
- [Source: https://stspg.io/d5d07rxmhypd](https://stspg.io/d5d07rxmhypd)
- [Company: SendGrid](https://rewindex.com/company/sendgrid.md)
- Versions: before incident\_version:258/h9z2vcwym575@d3a21508549f → after incident\_version:258/h9z2vcwym575@f5e9148cbc42
- Change 2 of 3 for this incident

Incident page (full timeline): [SMS Delivery Delays from a Subset of Twilio Short Codes to Cellularone United States](https://rewindex.com/company/sendgrid/incidents/h9z2vcwym575.md)
## What changed

**1. Changed: Status**

```diff
- investigating
+ monitoring
```

**2. Added: Update** (monitoring) · 2026-10-21 20:19 UTC

```diff
+ We have observed a recovery in SMS delivery from a subset of Twilio Short Codes to Cellularone network subscribers in the United States and are monitoring service stability. We will provide another update in 2 hours or as soon as more information becomes available.
```

## History of this incident

| When (UTC) | Change | Label |
| --- | --- | --- |
| 2026-10-21 18:13 UTC | [Incident updated: SMS Delivery Delays from a Subset of Twilio Short Codes to Cellularone United States](https://rewindex.com/change/r9de1f1a9d6a4a8.md) |  |
| 2026-10-21 20:23 UTC | Incident updated: SMS Delivery Delays from a Subset of Twilio Short Codes to Cellularone United States (this change) |  |
| 2026-10-21 22:23 UTC | [Incident updated: SMS Delivery Delays from a Subset of Twilio Short Codes to Cellularone United States](https://rewindex.com/change/r785bf65bfd8356.md) |  |

Previous: [change](https://rewindex.com/change/r9de1f1a9d6a4a8.md) · Next: [change](https://rewindex.com/change/r785bf65bfd8356.md) · All SendGrid changes: [timeline](https://rewindex.com/company/sendgrid/changes.md)
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Canonical: https://rewindex.com/change/r6fe2c2e80ce721 · Markdown: https://rewindex.com/change/r6fe2c2e80ce721.md · JSON: https://rewindex.com/api/v1/changes/r6fe2c2e80ce721 · Generated 2026-10-22T01:29:05.602Z