# Twilio: SMS Delivery Failures from AT&T Network in the US to a Subset of Twilio's Numbers

> Twilio status incident “SMS Delivery Failures from AT&T Network in the US to a Subset of Twilio's Numbers” on 2025-03-28: impact minor (vendor’s label), 8.6 h, 1 update(s). Archived by Rewindex.

Canonical: https://rewindex.com/company/twilio/incidents/yj1zs05p8f9c
Last updated: 2025-03-29T00:23:00Z

- Impact (vendor’s label): minor
- Status: resolved
- Started: 2025-03-28 15:45 UTC · Resolved: 2025-03-29 00:23 UTC · Duration: 8.6 h
- Updates: 1
- [Vendor status page: https://status.twilio.com/incidents/yj1zs05p8f9c](https://status.twilio.com/incidents/yj1zs05p8f9c)
- [Company: Twilio](https://rewindex.com/company/twilio.md)

## Timeline of updates

- **resolved** 2025-03-29 00:23 UTC: We continue to investigate the issue causing SMS delivery failures when sending messages from the AT&T Network in the US to a subset of Twilio's numbers. Because we expect this issue may take some time to resolve, we have opted to reach out to impacted customers directly about this issue while we investigate and we'll continue to provide updates through that channel instead of our status page. We will mark this incident resolved on the status page but will send any further updates through the direct communications channel.

_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 2025-03-28 15:45 UTC, resolved after 8.6 h, 1 update(s).

- Canonical URL: https://rewindex.com/company/twilio/incidents/yj1zs05p8f9c
- Citation: Twilio, “SMS Delivery Failures from AT&T Network in the US to a Subset of Twilio's Numbers” (2025-03-28 15:45 UTC). Archived by Rewindex: https://rewindex.com/company/twilio/incidents/yj1zs05p8f9c (CC BY 4.0).
- Markdown link: `[Twilio: SMS Delivery Failures from AT&T Network in the US to a Subset of Twilio's Numbers (2025-03-28)](https://rewindex.com/company/twilio/incidents/yj1zs05p8f9c)`


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Canonical: https://rewindex.com/company/twilio/incidents/yj1zs05p8f9c · Markdown: https://rewindex.com/company/twilio/incidents/yj1zs05p8f9c.md · JSON: https://rewindex.com/api/v1/companies/twilio/incidents/yj1zs05p8f9c · Data licensed CC BY 4.0 (https://creativecommons.org/licenses/by/4.0/) · Generated 2026-11-04T14:34:19.112Z