# Twilio: SMS Delivery Failures to AT&T US via Subset of Twilio Short Codes

> Twilio status incident “SMS Delivery Failures to AT&T US via Subset of Twilio Short Codes” on 2021-11-11: impact minor (vendor’s label), 1.9 h, 1 update(s). Archived by Rewindex.

Canonical: https://rewindex.com/company/twilio/incidents/gc6tbb28wcdx
Last updated: 2021-11-11T02:46:00Z

- Impact (vendor’s label): minor
- Status: resolved
- Started: 2021-11-11 00:53 UTC · Resolved: 2021-11-11 02:46 UTC · Duration: 1.9 h
- Updates: 1
- [Vendor status page: https://status.twilio.com/incidents/gc6tbb28wcdx](https://status.twilio.com/incidents/gc6tbb28wcdx)
- [Company: Twilio](https://rewindex.com/company/twilio.md)

## Timeline of updates

- **resolved** 2021-11-11 02:46 UTC: We are no longer experiencing SMS delivery failures to the US on the AT&T. 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 2021-11-11 00:53 UTC, resolved after 1.9 h, 1 update(s).

- Canonical URL: https://rewindex.com/company/twilio/incidents/gc6tbb28wcdx
- Citation: Twilio, “SMS Delivery Failures to AT&T US via Subset of Twilio Short Codes” (2021-11-11 00:53 UTC). Archived by Rewindex: https://rewindex.com/company/twilio/incidents/gc6tbb28wcdx (CC BY 4.0).
- Markdown link: `[Twilio: SMS Delivery Failures to AT&T US via Subset of Twilio Short Codes (2021-11-11)](https://rewindex.com/company/twilio/incidents/gc6tbb28wcdx)`


---
Canonical: https://rewindex.com/company/twilio/incidents/gc6tbb28wcdx · Markdown: https://rewindex.com/company/twilio/incidents/gc6tbb28wcdx.md · JSON: https://rewindex.com/api/v1/companies/twilio/incidents/gc6tbb28wcdx · Data licensed CC BY 4.0 (https://creativecommons.org/licenses/by/4.0/) · Generated 2026-11-04T14:55:45.716Z