# Twilio: On Call Engineers are Investigating SMS Delivery Delays From a Subset of Shortcodes

> Twilio status incident “On Call Engineers are Investigating SMS Delivery Delays From a Subset of Shortcodes” on 2021-04-30: impact none (vendor’s label), 25 min, 1 update(s). Archived by Rewindex.

Canonical: https://rewindex.com/company/twilio/incidents/jbs6hdj16h71
Last updated: 2021-04-30T17:01:00Z

- Impact (vendor’s label): none
- Status: resolved
- Started: 2021-04-30 16:36 UTC · Resolved: 2021-04-30 17:01 UTC · Duration: 25 min
- Updates: 1
- [Vendor status page: https://status.twilio.com/incidents/jbs6hdj16h71](https://status.twilio.com/incidents/jbs6hdj16h71)
- [Company: Twilio](https://rewindex.com/company/twilio.md)

## Timeline of updates

- **resolved** 2021-04-30 17:01 UTC: We experienced SMS delivery delays from a subset of shortcodes to US T-Mobile for 40 minutes between 09:00 and 09:40 Pacific Time on 04/30/2021. The issue has now 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: none) posted by Twilio, started 2021-04-30 16:36 UTC, resolved after 25 min, 1 update(s).

- Canonical URL: https://rewindex.com/company/twilio/incidents/jbs6hdj16h71
- Citation: Twilio, “On Call Engineers are Investigating SMS Delivery Delays From a Subset of Shortcodes” (2021-04-30 16:36 UTC). Archived by Rewindex: https://rewindex.com/company/twilio/incidents/jbs6hdj16h71 (CC BY 4.0).
- Markdown link: `[Twilio: On Call Engineers are Investigating SMS Delivery Delays From a Subset of Shortcodes (2021-04-30)](https://rewindex.com/company/twilio/incidents/jbs6hdj16h71)`


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Canonical: https://rewindex.com/company/twilio/incidents/jbs6hdj16h71 · Markdown: https://rewindex.com/company/twilio/incidents/jbs6hdj16h71.md · JSON: https://rewindex.com/api/v1/companies/twilio/incidents/jbs6hdj16h71 · Data licensed CC BY 4.0 (https://creativecommons.org/licenses/by/4.0/) · Generated 2026-11-04T17:10:44.359Z