# Twilio: Incident updated: SMS Delivery Failures from United Kingdom to a Subset of Twilio Long Codes

> Incident updated: SMS Delivery Failures from United Kingdom to a Subset of Twilio Long Codes. Detected 2026-10-21 by Rewindex: what changed on Twilio’s status page, with the before/after diff.

Canonical: https://rewindex.com/change/r3c756d19aeb1aa
Last updated: 2026-10-21T20:43:10Z

**Summary:** _summary pending_
- Kind: Incident update · Label: Normal progress (rule)
- Changed: 2026-10-21 20:43 UTC · Detected: 2026-10-21 20:43 UTC
- [Source: https://stspg.io/1bsbkc8kvvm6](https://stspg.io/1bsbkc8kvvm6)
- [Company: Twilio](https://rewindex.com/company/twilio.md)
- Versions: before incident\_version:125/3kc8plw3qh3y@be44dcf34cf0 → after incident\_version:125/3kc8plw3qh3y@12fd09e0e021
- Change 4 of 8 for this incident

Incident page (full timeline): [SMS Delivery Failures from United Kingdom to a Subset of Twilio Long Codes](https://rewindex.com/company/twilio/incidents/3kc8plw3qh3y.md)
## What changed

**1. Added: Update** (identified) · 2026-10-21 20:33 UTC

```diff
+ Twilio customers may be experiencing SMS delivery failures from network subscribers in the United Kingdom to a subset of Twilio Long Codes. Our team has identified the cause, and is working to resolve the issue. We will provide another update in 4 hours or as soon as more information becomes available.
```

## History of this incident

| When (UTC) | Change | Label |
| --- | --- | --- |
| 2026-10-21 16:33 UTC | [Incident updated: SMS Delivery Delays from United Kingdom to a Subset of Twilio Long Codes](https://rewindex.com/change/r4648f9c49df420.md) | Normal progress |
| 2026-10-21 17:33 UTC | [Incident updated: SMS Delivery Failures from Network Subscribers to Twilio United Kingdom Long Codes](https://rewindex.com/change/rd6dda6297176c2.md) | Normal progress |
| 2026-10-21 18:33 UTC | [Incident updated: SMS Delivery Failures from United Kingdom to a Subset of Twilio Long Codes](https://rewindex.com/change/rc968d7d8b9f777.md) | Normal progress |
| 2026-10-21 20:43 UTC | Incident updated: SMS Delivery Failures from United Kingdom to a Subset of Twilio Long Codes (this change) | Normal progress |
| 2026-10-22 00:43 UTC | [Incident updated: SMS Delivery Failures from United Kingdom to a Subset of Twilio Long Codes](https://rewindex.com/change/r88583ccf40e30e.md) | Normal progress |
| 2026-10-22 08:45 UTC | [Incident updated: SMS Delivery Delays and Failures from Network Subscribers to a Subset of Twilio United Kingdom Long Codes](https://rewindex.com/change/rfae0a7c46c9798.md) | Normal progress |
| 2026-10-22 17:13 UTC | [Incident updated: SMS Delivery Failures from United Kingdom to a Subset of Twilio Long Codes](https://rewindex.com/change/r8fd07a6cd59b52.md) | Normal progress |
| 2026-10-22 19:13 UTC | [Incident updated: SMS Delivery Failures from United Kingdom to a Subset of Twilio Long Codes](https://rewindex.com/change/r3fb20e6146911a.md) | Normal progress |

Previous: [change](https://rewindex.com/change/rc968d7d8b9f777.md) · Next: [change](https://rewindex.com/change/r88583ccf40e30e.md) · All Twilio changes: [timeline](https://rewindex.com/company/twilio/changes.md)
_Diff excerpts are shown on normalized text: dates, counters and tokens appear as ‹date›, ‹count›, ‹tok›; noise-only edits are hidden. Rewindex shows the changed passages, not a copy of the page._

## Cite this

Incident updated: SMS Delivery Failures from United Kingdom to a Subset of Twilio Long Codes on Twilio’s status page, changed 2026-10-21 20:43 UTC (change 4 of 8).

- Canonical URL: https://rewindex.com/change/r3c756d19aeb1aa
- Citation: Twilio, “Incident updated: SMS Delivery Failures from United Kingdom to a Subset of Twilio Long Codes” (2026-10-21 20:43 UTC). Archived by Rewindex: https://rewindex.com/change/r3c756d19aeb1aa (CC BY 4.0).
- Markdown link: `[Twilio: Incident updated: SMS Delivery Failures from United Kingdom to a Subset of Twilio Long Codes (2026-10-21)](https://rewindex.com/change/r3c756d19aeb1aa)`


---
Canonical: https://rewindex.com/change/r3c756d19aeb1aa · Markdown: https://rewindex.com/change/r3c756d19aeb1aa.md · JSON: https://rewindex.com/api/v1/changes/r3c756d19aeb1aa · Data licensed CC BY 4.0 (https://creativecommons.org/licenses/by/4.0/) · Generated 2026-11-04T16:33:36.040Z