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

- Impact (vendor’s label): minor
- Status: identified · edited after publishing
- Started: 2026-10-21 16:10 UTC · Resolved: not resolved · Duration: ongoing
- Updates: 5 · Affected components: CARRIER NETWORK - SMS, Europe, SMS, Europe
- [Vendor status page: https://stspg.io/1bsbkc8kvvm6](https://stspg.io/1bsbkc8kvvm6)
- [Company: SendGrid](https://rewindex.com/company/sendgrid.md)

## Timeline of updates

- **investigating** 2026-10-21 16:10 UTC: Twilio customers may be experiencing SMS delivery delays from network subscribers to a subset of Twilio United Kingdom Long Codes. Our team is actively investigating this issue. We will provide another update in 1 hour or as soon as more information becomes available.
- **identified** 2026-10-21 16:32 UTC: Twilio customers may be experiencing SMS delivery delays 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 1 hour or as soon as more information becomes available.
- **identified** 2026-10-21 17:32 UTC: Twilio customers may be experiencing SMS delivery failures from network subscribers to Twilio United Kingdom Long Codes. 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.
- **identified** 2026-10-21 18:32 UTC: 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 2 hours or as soon as more information becomes available.
- **identified** 2026-10-21 20:33 UTC: 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.

## Rewindex changes for this incident

- 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/r2d40a5d6199d74.md)
- 2026-10-21 17:33 UTC: [Incident updated: SMS Delivery Failures from Network Subscribers to Twilio United Kingdom Long Codes](https://rewindex.com/change/r3ff4db94cf1b18.md)
- 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/r1e7c1b9ddea2f5.md)
- 2026-10-21 20:43 UTC: [Incident updated: SMS Delivery Failures from United Kingdom to a Subset of Twilio Long Codes](https://rewindex.com/change/r3c523c37ec5110.md)


---
Canonical: https://rewindex.com/company/sendgrid/incidents/3kc8plw3qh3y · Markdown: https://rewindex.com/company/sendgrid/incidents/3kc8plw3qh3y.md · JSON: https://rewindex.com/api/v1/companies/sendgrid/incidents/3kc8plw3qh3y · Generated 2026-10-21T23:42:02.839Z