SMS Delivery Delays From Twilio Short Code Numbers to US Carriers

Incident Report for Twilio

Resolved

We are no longer experiencing SMS delivery delays when sending messages to all US carrier networks. This incident has been resolved.

Posted Dec 01, 2025 - 22:05 PST

Monitoring

Our monitoring shows overall improvement in carrier-side traffic congestion, and we are observing instant SMS delivery from Twilio Short Code at this time. We will continue monitoring the overall US carrier networks to ensure a full recovery. We will provide another update in 4 hours or as soon as more information becomes available.

Posted Dec 01, 2025 - 18:01 PST

Update

Due to sustained high traffic on the US carrier networks, we are currently experiencing SMS delivery issues from Twilio Short Code. Messages are queued due to capacity shortage, and customers may see delays when sending to certain US carriers.

Please find the current delivery status for the major carriers below:

AT&T (status - Operational)
T-Mobile (status - Operational)
Verizon (status - Operational)
US Cellular (status - Operational)
Dish Network (status - Delays)
C-Spire (status - Delays)
US cell (status - Delays)
Cellcom (status - Delays)
Viaero (status - Delays)
GCI-Chat (status - Delays)

We are actively working with our carrier partners to resolve the issue, and we will provide another update in 2 hours or as soon as we have any new information to share.

Posted Dec 01, 2025 - 16:52 PST

Update

Posted Dec 01, 2025 - 14:52 PST

Update

Due to sustained high traffic on the US carrier networks, we are currently experiencing SMS delivery issues from Twilio Short Code. Messages are queued due to capacity shortage, and customers may see delays when sending to certain US carriers.

Please find the current delivery status for the major carriers below:

AT&T (status - Operational)
T-Mobile (status - Operational)
Verizon (status - DLR Delayed)
US Cellular (status - Operational)
Dish Network (status - Delays)
C-Spire (status - Delays)
US cell (status - Delays)
Cellcom (status - Delays)
Viaero (status - Delays)
GCI-Chat (status - Delays)

We are actively working with our carrier partners to resolve the issue, and we will provide another update in 2 hours or as soon as we have any new information to share.

Posted Dec 01, 2025 - 13:15 PST

Update

Due to sustained high traffic on the US carrier networks, we are currently experiencing SMS delivery issues from Twilio Short Code. Messages are queued due to capacity shortage, and customers may see delays when sending to certain US carriers.

Please find the current delivery status for the major carriers below:

AT&T (status - Operational)
T-Mobile (status - Operational)
Verizon (status - DLR Delayed)
US Cellular (status - Operational)
Dish Network (status - Delays)
C-Spire (status - Delays)
US cell (status - Delays)
Cellcom (status - Delays)
Viaero (status - Delays)
GCI-Chat (status - Delays)

We are actively working with our carrier partners to resolve the issue, and we will provide another update in 2 hours or as soon as we have any new information to share.

Posted Dec 01, 2025 - 11:15 PST

Update

Due to sustained high traffic on the US carrier networks, we are currently experiencing SMS delivery issues from Twilio Short Code. Messages are queued due to capacity shortage, and customers may see delays when sending to certain US carriers.

Please find the current delivery status for the major carriers below:

AT&T (status - DLR Delayed)
T-Mobile (status - Operational)
Verizon (status - DLR Delayed)
US Cellular (status - Operational)

We are actively working with our carrier partners to resolve the issue, and we will provide another update in 2 hours or as soon as we have any new information to share.

Posted Dec 01, 2025 - 09:54 PST

Investigating

Due to sustained high traffic on the US carrier networks, we are currently experiencing SMS delivery issues from Twilio Short Code. Messages are queued due to capacity shortage, and customers may see delays when sending to certain US carriers.

Please find the current delivery status for the major carriers below:

AT&T (status - Operational)
T-Mobile (status - Operational)
Verizon (status - DLR Delayed)
US Cellular (status - Operational)

We are actively working with our carrier partners to resolve the issue, and we will provide another update in 2 hours or as soon as we have any new information to share.

Posted Dec 01, 2025 - 09:02 PST

This incident affected: CARRIER NETWORK (SMS Short Code, North America).