# SendGrid: MMS Delivery Delays from a Subset of Twilio Long Codes to AT&T United States

- Impact (vendor’s label): minor
- Status: monitoring · edited after publishing
- Started: 2026-10-19 20:26 UTC · Resolved: not resolved · Duration: ongoing
- Updates: 6 · Affected components: CARRIER NETWORK - MMS Long Code, North America, MMS Long Code, North America
- [Vendor status page: https://stspg.io/mrcvpbg228qr](https://stspg.io/mrcvpbg228qr)
- [Company: SendGrid](https://rewindex.com/company/sendgrid.md)

## Timeline of updates

- **investigating** 2026-10-19 20:26 UTC: Twilio customers may be experiencing MMS delivery delays from a subset of Twilio Long Codes to AT&T network subscribers in the United States. Our team is actively investigating this issue. We will provide another update in 1 hour or as soon as more information becomes available.
- **investigating** 2026-10-19 21:27 UTC: Twilio customers may be experiencing MMS delivery delays from a subset of Twilio Long Codes to AT&T network subscribers in the United States. Our team is actively investigating this issue. We will provide another update in 2 hours or as soon as more information becomes available.
- **identified** 2026-10-19 21:36 UTC: Twilio customers may be experiencing MMS delivery delays from a subset of Twilio Long Codes to AT&T network subscribers in the United States. Our team has identified the cause, and is working to resolve the issue. We will provide another update in 1 hour or as soon as more information becomes available.
- **identified** 2026-10-19 22:37 UTC: Twilio customers may be experiencing MMS delivery delays from a subset of Twilio Long Codes to AT&T network subscribers in the United States. Our team has identified the cause, and is working to resolve the issue. We will provide another update in 2 hours or as soon as more information becomes available.
- **identified** 2026-10-20 00:46 UTC: Twilio customers may be experiencing MMS delivery delays from a subset of Twilio Long Codes to AT&T network subscribers in the United States. Our team has identified the cause, and is working to resolve the issue. We will provide another update in 4 hours or as soon as more information becomes available.
- **monitoring** 2026-10-20 03:10 UTC: We have observed a recovery in MMS delivery from a subset of Twilio Long Codes to AT&T network subscribers in the United States and are monitoring service stability. We will provide another update in 2 hours or as soon as more information becomes available.

## Rewindex changes for this incident

- 2026-10-19 21:33 UTC: [Incident updated: MMS Delivery Delays from a Subset of Twilio Long Codes to AT&T United States](https://rewindex.com/change/r90b9d6328e6872.md)
- 2026-10-19 21:43 UTC: [Incident updated: MMS Delivery Delays from a Subset of Twilio Long Codes to AT&T United States](https://rewindex.com/change/r72534c881093d2.md)
- 2026-10-19 22:43 UTC: [Incident updated: MMS Delivery Delays from a Subset of Twilio Long Codes to AT&T United States](https://rewindex.com/change/rca1d5d093712c4.md)
- 2026-10-20 00:53 UTC: [Incident updated: MMS Delivery Delays from a Subset of Twilio Long Codes to AT&T United States](https://rewindex.com/change/r6ce1752daf431f.md)
- 2026-10-20 03:13 UTC: [Incident updated: MMS Delivery Delays from a Subset of Twilio Long Codes to AT&T United States](https://rewindex.com/change/r693131cd184be1.md)


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Canonical: https://rewindex.com/company/sendgrid/incidents/cyfd9v2gnnvg · Markdown: https://rewindex.com/company/sendgrid/incidents/cyfd9v2gnnvg.md · JSON: https://rewindex.com/api/v1/companies/sendgrid/incidents/cyfd9v2gnnvg · Generated 2026-10-20T04:31:57.422Z