Twilio incident: MMS Delivery Delays and Failures from a Subset of Twilio Long Codes to Cellcom United States

Affected components

• MMS Long Code, North America

1. identifiedOct 27, 2026, 03:35 UTC

   Twilio customers may be experiencing MMS delivery delays and failures from a subset of Twilio Long Codes to Cellcom 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 8 hours or as soon as more information becomes available.

2. identifiedOct 26, 2026, 23:35 UTC

   Twilio customers may be experiencing MMS delivery delays and failures from a subset of Twilio Long Codes to Cellcom 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.

3. identifiedOct 26, 2026, 21:34 UTC

   Twilio customers may be experiencing MMS delivery delays and failures from a subset of Twilio Long Codes to Cellcom 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.

4. identifiedOct 26, 2026, 20:34 UTC

   Twilio customers may be experiencing MMS delivery delays and failures from a subset of Twilio Long Codes to Cellcom 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.

5. investigatingOct 26, 2026, 20:29 UTC

   Twilio customers may be experiencing MMS delivery delays and failures from a subset of Twilio Long Codes to Cellcom 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.

What APIStatus.watch saw

Our 5-minute checks didn't record a change in Twilio's overall status around this incident. Smaller or regional incidents often leave a provider's overall status green.

Other services with incidents at the same time

Overlapping incidents aren't necessarily related.

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• SendGrid: Voice Call Failures from Twilio Phone Numbers to Digi.Mobil RomaniaMinor · Oct 26, 2026, 13:09 UTC
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• Netlify: Delays in build logs appearing in the UIMinor · Oct 26, 2026, 16:05 UTC
• LaunchDarkly: delayed event processingMinor · Oct 26, 2026, 20:52 UTC
• SendGrid: SMS Delivery Delays From a Subset of Twilio Short Codes to Docomo Pacific United StatesMinor · Oct 26, 2026, 20:57 UTC

How often does Twilio have incidents?

Twilio reported 506 incidents in the last 90 days, 2 of them major or critical. A typical incident lasted 6h 7m. See Twilio's uptime and incident history