# Twilio: SMS Delivery Receipt Delays From a Subset of Twilio Long Codes and Toll-Free Numbers to Viaero United States

> Twilio status incident “SMS Delivery Receipt Delays From a Subset of Twilio Long Codes and Toll-Free Numbers to Viaero United States” on 2026-05-21: impact minor (vendor’s label), 19 h, 1 update(s). Archived by Rewindex.

Canonical: https://rewindex.com/company/twilio/incidents/zzj7m05db81h
Last updated: 2026-05-22T17:50:00Z

- Impact (vendor’s label): minor
- Status: resolved
- Started: 2026-05-21 22:59 UTC · Resolved: 2026-05-22 17:50 UTC · Duration: 19 h
- Updates: 1
- [Vendor status page: https://status.twilio.com/incidents/zzj7m05db81h](https://status.twilio.com/incidents/zzj7m05db81h)
- [Company: Twilio](https://rewindex.com/company/twilio.md)

## Timeline of updates

- **resolved** 2026-05-22 17:50 UTC: We are no longer experiencing SMS delivery delays when sending messages to Viaero. 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 2026-05-21 22:59 UTC, resolved after 19 h, 1 update(s).

- Canonical URL: https://rewindex.com/company/twilio/incidents/zzj7m05db81h
- Citation: Twilio, “SMS Delivery Receipt Delays From a Subset of Twilio Long Codes and Toll-Free Numbers to Viaero United States” (2026-05-21 22:59 UTC). Archived by Rewindex: https://rewindex.com/company/twilio/incidents/zzj7m05db81h (CC BY 4.0).
- Markdown link: `[Twilio: SMS Delivery Receipt Delays From a Subset of Twilio Long Codes and Toll-Free Numbers to Viaero United States (2026-05-21)](https://rewindex.com/company/twilio/incidents/zzj7m05db81h)`


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Canonical: https://rewindex.com/company/twilio/incidents/zzj7m05db81h · Markdown: https://rewindex.com/company/twilio/incidents/zzj7m05db81h.md · JSON: https://rewindex.com/api/v1/companies/twilio/incidents/zzj7m05db81h · Data licensed CC BY 4.0 (https://creativecommons.org/licenses/by/4.0/) · Generated 2026-11-04T16:00:43.741Z