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

Summary

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

The incident has been resolved and MMS delivery from a subset of Twilio Long Codes to AT&T network subscribers in the United States is operating normally.

• Started

  Oct 27, 2026 · 5:58 AM

• Resolved

  Oct 27, 2026 · 10:32 AM

• Duration

  4h 34m

• Severity

  Minor

• ◐

  Investigating

  Oct 27 · 5:58 AM SendGrid

  Twilio customers may be experiencing SMS delivery receipt delays from a subset of Twilio Long Codes to AT&T network subscribers in the United States. Our team is actively investigating this issue. Message delivery may succeed, but delivery receipts may be delayed. We will provide another update in 1 hour or as soon as more information becomes available.

• ◆

  Identified

  Oct 27 · 7:05 AM SendGrid

  Twilio customers may be experiencing SMS and 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. Message delivery may succeed, but delivery receipts may be delayed. We will provide another update in 2 hours or as soon as more information becomes available.

• ◆

  Identified

  Oct 27 · 7:28 AM SendGrid

  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 continuing to investigate this issue. We will provide another update in 2 hours or as soon as more information becomes available.

• ◆

  Identified

  Oct 27 · 8:06 AM SendGrid

  wilio 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 continuing to investigate this issue. We will provide another update in 2 hours or as soon as more information becomes available.

• ◆

  Identified

  Oct 27 · 8:30 AM SendGrid

  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 continuing to investigate this issue. We will provide another update in 2 hours or as soon as more information becomes available.

• ◉

  Monitoring

  Oct 27 · 8:30 AM SendGrid

  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.

• ✓

  Resolved

  Oct 27 · 10:32 AM SendGrid

  The incident has been resolved and MMS delivery from a subset of Twilio Long Codes to AT&T network subscribers in the United States is operating normally.