# Twilio: SMS Delivery Delay to Multiple USA Networks Using Subset of Shortcodes

> Twilio status incident “SMS Delivery Delay to Multiple USA Networks Using Subset of Shortcodes” on 2021-12-20: impact minor (vendor’s label), 2.6 h, 1 update(s). Archived by Rewindex.

Canonical: https://rewindex.com/company/twilio/incidents/whs5hdtm9kr4
Last updated: 2021-12-20T07:30:00Z

- Impact (vendor’s label): minor
- Status: resolved
- Started: 2021-12-20 04:52 UTC · Resolved: 2021-12-20 07:30 UTC · Duration: 2.6 h
- Updates: 1
- [Vendor status page: https://status.twilio.com/incidents/whs5hdtm9kr4](https://status.twilio.com/incidents/whs5hdtm9kr4)
- [Company: Twilio](https://rewindex.com/company/twilio.md)

## Timeline of updates

- **resolved** 2021-12-20 07:30 UTC: We are no longer experiencing SMS delivery delays when sending messages to multiple networks USA using subset of shortcodes. 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 2021-12-20 04:52 UTC, resolved after 2.6 h, 1 update(s).

- Canonical URL: https://rewindex.com/company/twilio/incidents/whs5hdtm9kr4
- Citation: Twilio, “SMS Delivery Delay to Multiple USA Networks Using Subset of Shortcodes” (2021-12-20 04:52 UTC). Archived by Rewindex: https://rewindex.com/company/twilio/incidents/whs5hdtm9kr4 (CC BY 4.0).
- Markdown link: `[Twilio: SMS Delivery Delay to Multiple USA Networks Using Subset of Shortcodes (2021-12-20)](https://rewindex.com/company/twilio/incidents/whs5hdtm9kr4)`


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Canonical: https://rewindex.com/company/twilio/incidents/whs5hdtm9kr4 · Markdown: https://rewindex.com/company/twilio/incidents/whs5hdtm9kr4.md · JSON: https://rewindex.com/api/v1/companies/twilio/incidents/whs5hdtm9kr4 · Data licensed CC BY 4.0 (https://creativecommons.org/licenses/by/4.0/) · Generated 2026-11-04T12:55:46.726Z