SMS/MMS Delivery Report Delays to the Verizon Wireless Network in the United States for a Subset of Toll-Free Numbers and Short Codes

Incident Report for Twilio

Resolved

We are no longer experiencing MMS/SMS delivery report delays when sending messages to Verizon Wireless in US for a Subset of Toll Free Numbers. This incident has been resolved.

Posted Feb 12, 2025 - 20:32 PST

Monitoring

We are observing recovery in MMS/SMS delivery report delays when sending messages to Verizon Wireless in US for a Subset of Toll Free Numbers. We will continue monitoring the service to ensure a full recovery. We will provide another update in 2 hours or as soon as more information becomes available.

Posted Feb 12, 2025 - 18:25 PST

Update

We continue experiencing MMS/SMS delivery report delays when sending messages to Verizon Wireless in US for a Subset of Toll Free Numbers. Our engineers are working with our carrier partner to resolve the issue. We will provide another update in 16 hours or as soon as more information becomes available.

Posted Feb 12, 2025 - 13:34 PST

Update

We are experiencing MMS/SMS delivery delays when sending messages to Verizon Wireless in US for a Subset of Toll Free Numbers. Our engineers are working with our carrier partner to resolve the issue. We will provide another update in 8 hours or as soon as more information becomes available.

Posted Feb 12, 2025 - 05:34 PST

Update

We are experiencing MMS/SMS delivery delays when sending messages to Verizon Wireless in US for a Subset of Toll Free Numbers. Our engineers are working with our carrier partner to resolve the issue. We will provide another update in 4 hours or as soon as more information becomes available.

Posted Feb 12, 2025 - 01:44 PST

Update

We are experiencing MMS/SMS delivery delays when sending messages to Verizon Wireless in US for a Subset of Toll Free Numbers. Our engineers are working with our carrier partner to resolve the issue. We will provide another update in 2 hours or as soon as more information becomes available.

Posted Feb 11, 2025 - 23:59 PST

Investigating

After monitoring for some time, we are still experiencing SMS/MMS delivery reports delays when sending messages to Verizon Wireless in US for a Subset of Toll Free Numbers. Our engineers continue working with our carrier partner to resolve the issue. We will provide another update in 1 hour or as soon as more information becomes available.

Posted Feb 11, 2025 - 23:00 PST

Monitoring

We are observing recovery in SMS delivery delays when sending messages to Verizon Wireless network in the United States for a subset of Toll-Free Numbers and Short Codes. We will continue monitoring the service to ensure a full recovery. We will provide another update in 2 hours or as soon as more information becomes available.

Posted Feb 11, 2025 - 22:28 PST

Update

We have identified that a subset of Short Codes is also impacted by this incident. The issue currently affects SMS/MMS delivery report delays to the Verizon Wireless network in the United States for a subset of Toll-Free Numbers and Short Codes. Our engineers are working with our carrier partner to resolve the issue. We will provide another update in 8 hours or as soon as more information becomes available.

Posted Feb 11, 2025 - 15:26 PST

Update

We are still experiencing SMS/MMS delivery reports delays when sending messages to Verizon Wireless in US for a Subset of Toll Free Numbers. Our engineers continue working with our carrier partner to resolve the issue. We will provide another update in 4 hours or as soon as more information becomes available.

Posted Feb 11, 2025 - 13:05 PST

Update

We are continuing to investigate this issue.

Posted Feb 11, 2025 - 11:53 PST

Update

We are experiencing SMS/MMS delivery reports delays when sending messages to Verizon Wireless in USA for a Subset of Toll Free Numbers. Our engineers are working with our carrier partner to resolve the issue. We will provide another update in 2 hours or as soon as more information becomes available.

Posted Feb 11, 2025 - 11:06 PST

Update

We are experiencing MMS delivery delays when sending messages to Verizon Wireless in USA. Our engineers are working with our carrier partner to resolve the issue. We will provide another update in 1 hour or as soon as more information becomes available.

Posted Feb 11, 2025 - 10:40 PST

Update

We are continuing to investigate this issue.

Posted Feb 11, 2025 - 10:39 PST

Investigating

Posted Feb 11, 2025 - 10:26 PST

This incident affected: CARRIER NETWORK (SMS Short Code, North America, SMS Toll-Free, North America, MMS Toll-Free, North America) and ZIPWHIP MESSAGING (SMS Toll-Free, North America, MMS Toll-Free, North America).