# Twilio: SMS Delivery Failures to and from a Subset of ported Twilio US Long Codes

> Twilio status incident “SMS Delivery Failures to and from a Subset of ported Twilio US Long Codes” on 2021-03-08: impact minor (vendor’s label), 4.1 h, 1 update(s). Archived by Rewindex.

Canonical: https://rewindex.com/company/twilio/incidents/cxq7w37f4p3s
Last updated: 2021-03-08T23:12:00Z

- Impact (vendor’s label): minor
- Status: resolved
- Started: 2021-03-08 19:04 UTC · Resolved: 2021-03-08 23:12 UTC · Duration: 4.1 h
- Updates: 1
- [Vendor status page: https://status.twilio.com/incidents/cxq7w37f4p3s](https://status.twilio.com/incidents/cxq7w37f4p3s)
- [Company: Twilio](https://rewindex.com/company/twilio.md)

## Timeline of updates

- **resolved** 2021-03-08 23:12 UTC: The incident causing message delivery failures on a small subset of ported Twilio US long codes has been resolved, except for a small number of customers. We are closing this incident and will reach out to these customers individually for further follow-ups.

_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 2021-03-08 19:04 UTC, resolved after 4.1 h, 1 update(s).

- Canonical URL: https://rewindex.com/company/twilio/incidents/cxq7w37f4p3s
- Citation: Twilio, “SMS Delivery Failures to and from a Subset of ported Twilio US Long Codes” (2021-03-08 19:04 UTC). Archived by Rewindex: https://rewindex.com/company/twilio/incidents/cxq7w37f4p3s (CC BY 4.0).
- Markdown link: `[Twilio: SMS Delivery Failures to and from a Subset of ported Twilio US Long Codes (2021-03-08)](https://rewindex.com/company/twilio/incidents/cxq7w37f4p3s)`


---
Canonical: https://rewindex.com/company/twilio/incidents/cxq7w37f4p3s · Markdown: https://rewindex.com/company/twilio/incidents/cxq7w37f4p3s.md · JSON: https://rewindex.com/api/v1/companies/twilio/incidents/cxq7w37f4p3s · Data licensed CC BY 4.0 (https://creativecommons.org/licenses/by/4.0/) · Generated 2026-11-04T18:21:58.155Z