SMS Delivery Delays from a Subset of Twilio Short Codes to Cellularone NE Arizona United States

Incident Report for Twilio

Update

Twilio customers may be experiencing SMS delivery delays from a subset of Twilio Short Codes to Cellularone NE Arizona 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.
Posted Sep 25, 2026 - 05:35 PDT

Update

Twilio customers may be experiencing SMS delivery delays from a subset of Twilio Short Codes to Cellularone 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.
Posted Sep 25, 2026 - 03:34 PDT

Identified

Twilio customers may be experiencing SMS delivery delays from a subset of Twilio Short Codes to Cellularone NE Arizona 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.
Posted Sep 25, 2026 - 02:33 PDT

Update

Twilio customers may be experiencing SMS delivery delays from a subset of Twilio Short Codes to Cellularone NE Arizona network subscribers in the United States. Our team is actively investigating this issue. We will provide another update in 4 hours or as soon as more information becomes available.
Posted Sep 24, 2026 - 22:24 PDT

Update

Twilio customers may be experiencing SMS delivery delays from a subset of Twilio Short Codes to Cellularone NE Arizona 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.
Posted Sep 24, 2026 - 20:24 PDT

Investigating

Twilio customers may be experiencing SMS delivery delays from a subset of Twilio Short Codes to Cellularone NE Arizona 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.
Posted Sep 24, 2026 - 19:24 PDT
This incident affects: CARRIER NETWORK (SMS Short Code, North America).