# Twilio: SMS Delivery Delays to Cellular One in the US  from Shortcodes and Longcodes (310-320)

> Twilio status incident “SMS Delivery Delays to Cellular One in the US from Shortcodes and Longcodes (310-320)” on 2021-05-24: impact minor (vendor’s label), 15 h, 1 update(s). Archived by Rewindex.

Canonical: https://rewindex.com/company/twilio/incidents/x42lzxnxyczk
Last updated: 2021-05-24T15:04:00Z

- Impact (vendor’s label): minor
- Status: resolved
- Started: 2021-05-24 00:09 UTC · Resolved: 2021-05-24 15:04 UTC · Duration: 15 h
- Updates: 1
- [Vendor status page: https://status.twilio.com/incidents/x42lzxnxyczk](https://status.twilio.com/incidents/x42lzxnxyczk)
- [Company: Twilio](https://rewindex.com/company/twilio.md)

## Timeline of updates

- **resolved** 2021-05-24 15:04 UTC: We are no longer experiencing SMS delivery delays when sending messages to Cellular One in the U.S from 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 2021-05-24 00:09 UTC, resolved after 15 h, 1 update(s).

- Canonical URL: https://rewindex.com/company/twilio/incidents/x42lzxnxyczk
- Citation: Twilio, “SMS Delivery Delays to Cellular One in the US  from Shortcodes and Longcodes (310-320)” (2021-05-24 00:09 UTC). Archived by Rewindex: https://rewindex.com/company/twilio/incidents/x42lzxnxyczk (CC BY 4.0).
- Markdown link: `[Twilio: SMS Delivery Delays to Cellular One in the US  from Shortcodes and Longcodes (310-320) (2021-05-24)](https://rewindex.com/company/twilio/incidents/x42lzxnxyczk)`


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Canonical: https://rewindex.com/company/twilio/incidents/x42lzxnxyczk · Markdown: https://rewindex.com/company/twilio/incidents/x42lzxnxyczk.md · JSON: https://rewindex.com/api/v1/companies/twilio/incidents/x42lzxnxyczk · Data licensed CC BY 4.0 (https://creativecommons.org/licenses/by/4.0/) · Generated 2026-11-05T12:59:00.150Z