Outage in Twilio
SMS and MMS Delivery Delays from Twilio Phone Numbers to Verizon United States
Resolved MinorIncident Report
Summary AI Generated
Twilio experienced SMS and MMS delivery delays from their phone numbers to Verizon network subscribers in the United States for 36.8 hours. The issue affected all North American SMS and MMS services including toll-free, long code, and short code numbers, with SMS delivery recovering first while MMS delays persisted longer. The incident was resolved after Twilio's engineering team identified the root cause and implemented a fix, with service returning to normal operations.
Twilio customers may be experiencing SMS and MMS delivery delays from Twilio Phone Numbers to Verizon 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.
Components affected
Twilio SMS Long Code, North America Twilio MMS Long Code, North America Twilio SMS Short Code, North America Twilio MMS Short Code, North America Twilio SMS Toll-Free, North America Twilio SMS Long Code, North America Twilio MMS Long Code, North America Twilio SMS Toll-Free, North America Twilio MMS Toll-Free, North America Twilio MMS Toll-Free, North AmericaTrusted by 1,000+ teams
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Latest Updates ( sorted recent to last )
RESOLVED
19 days ago - at 05/29/2026 05:54AM
The incident has been resolved and SMS and MMS delivery from Twilio to Verizon network subscribers in the United States are operating normally.
MONITORING
19 days ago - at 05/29/2026 01:49AM
We have observed a recovery in SMS and MMS delivery from Twilio Phone Numbers to Verizon network subscribers in the United States and are monitoring service stability. We will provide another update in 4 hours or as soon as more information becomes available.
MONITORING
19 days ago - at 05/28/2026 11:34PM
We have observed a recovery in SMS and MMS delivery from Twilio to Verizon 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.
IDENTIFIED
19 days ago - at 05/28/2026 08:56PM
We have observed a recovery in SMS delivery however, customers may still experience MMS delivery delays when sending from Twilio phone numbers to Verizon subscribers in the United States. Our engineering team has identified the root cause and is actively working on a resolution. We will provide another update in 8 hours, or sooner if new information becomes available.
IDENTIFIED
20 days ago - at 05/28/2026 09:47AM
We have observed a recovery in SMS delivery however, customers may still experience MMS delivery delays when sending from Twilio phone numbers to Verizon subscribers in the United States. Our engineering team has identified the root cause and is actively working on a resolution. We will provide another update in 8 hours, or sooner if new information becomes available.
IDENTIFIED
20 days ago - at 05/28/2026 08:37AM
We have observed a recovery in SMS delivery however, customers may still experience MMS delivery delays when sending from Twilio phone numbers to Verizon subscribers in the United States. Our engineering team has identified the root cause and is actively working on a resolution. We will provide another update in 8 hours, or sooner if new information becomes available.
IDENTIFIED
20 days ago - at 05/28/2026 01:45AM
We have observed a recovery in SMS delivery however, customers may still experience MMS delivery delays when sending from Twilio phone numbers to Verizon subscribers in the United States. Our engineering team has identified the root cause and is actively working on a resolution. We will provide another update in 8 hours, or sooner if new information becomes available.
IDENTIFIED
20 days ago - at 05/27/2026 09:30PM
Twilio customers may be experiencing SMS and MMS delivery delays from Twilio to Verizon 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.
IDENTIFIED
20 days ago - at 05/27/2026 07:19PM
Twilio customers may be experiencing SMS and MMS delivery delays from Twilio to Verizon 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
20 days ago - at 05/27/2026 06:18PM
Twilio customers may be experiencing SMS and MMS delivery delays from Twilio to Verizon 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.
INVESTIGATING
20 days ago - at 05/27/2026 06:14PM
Twilio customers may be experiencing SMS and MMS delivery delays from Twilio to Verizon 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.
INVESTIGATING
20 days ago - at 05/27/2026 05:13PM
Twilio customers may be experiencing SMS and MMS delivery delays from Twilio Phone Numbers to Verizon 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.
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