SMS Delivery Delays and Failures to AT&T in United States of America

We are still experiencing SMS delivery delays and failures when sending Short Code, Long Code and Toll Free messages to AT&T network in USA. However, since there are several Twilio impacted services, we're resolving this post and we're consolidating all impacted products and services into one post. You can check the status of this at https://status.twilio.com/incidents/9x3f5ztzp0ss

We are experiencing SMS delivery delays and failures when sending messages to Cingular Wireless (AT&T) network in USA. Our engineers are working with our carrier partner to resolve the issue. We expect to provide another update in 1 hour or as soon as more information becomes available.