# Twilio: SMS Delivery Delays & Failures to Multiple networks in Yemen (421-01, 421-02, 421-04).

> Twilio status incident “SMS Delivery Delays & Failures to Multiple networks in Yemen (421-01, 421-02, 421-04).” on 2026-02-08: impact minor (vendor’s label), 6.6 h, 1 update(s). Archived by Rewindex.

Canonical: https://rewindex.com/company/twilio/incidents/cz184svn9scq
Last updated: 2026-02-09T04:26:00Z

- Impact (vendor’s label): minor
- Status: resolved
- Started: 2026-02-08 21:49 UTC · Resolved: 2026-02-09 04:26 UTC · Duration: 6.6 h
- Updates: 1
- [Vendor status page: https://status.twilio.com/incidents/cz184svn9scq](https://status.twilio.com/incidents/cz184svn9scq)
- [Company: Twilio](https://rewindex.com/company/twilio.md)

## Timeline of updates

- **resolved** 2026-02-09 04:26 UTC: We are no longer experiencing SMS Delivery Delays & Failures to Multiple networks in Yemen (421-01, 421-02, 421-04). This incident has been resolved.

_From the vendor’s published history: only the final update text is available for incidents before Rewindex began polling this page._

## Cite this

Status incident (vendor impact label: minor) posted by Twilio, started 2026-02-08 21:49 UTC, resolved after 6.6 h, 1 update(s).

- Canonical URL: https://rewindex.com/company/twilio/incidents/cz184svn9scq
- Citation: Twilio, “SMS Delivery Delays & Failures to Multiple networks in Yemen (421-01, 421-02, 421-04).” (2026-02-08 21:49 UTC). Archived by Rewindex: https://rewindex.com/company/twilio/incidents/cz184svn9scq (CC BY 4.0).
- Markdown link: `[Twilio: SMS Delivery Delays & Failures to Multiple networks in Yemen (421-01, 421-02, 421-04). (2026-02-08)](https://rewindex.com/company/twilio/incidents/cz184svn9scq)`


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Canonical: https://rewindex.com/company/twilio/incidents/cz184svn9scq · Markdown: https://rewindex.com/company/twilio/incidents/cz184svn9scq.md · JSON: https://rewindex.com/api/v1/companies/twilio/incidents/cz184svn9scq · Data licensed CC BY 4.0 (https://creativecommons.org/licenses/by/4.0/) · Generated 2026-11-05T14:15:07.328Z