Outage in Zipwhip

SMS Delivery Delays from a Subset of Twilio Short Codes to Multiple Networks In United States

Resolved Minor

March 26, 2026 - Started 24 days ago - Lasted 3 days
Official incident page

Incident Report

Twilio customers may be experiencing SMS delivery delays from a subset of Twilio Short Codes to Cellcom 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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Latest Updates ( sorted recent to last )

INVESTIGATING 22 days ago - at 03/29/2026 06:49AM

Twilio customers may be experiencing SMS delivery delays from a subset of Twilio Short Codes to Multiple 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 24 hour or as soon as more information becomes available.

INVESTIGATING 23 days ago - at 03/28/2026 04:51AM

INVESTIGATING 23 days ago - at 03/27/2026 10:22PM

Twilio customers may be experiencing SMS delivery delays from a subset of Twilio Short Codes to Cellcom network subscribers in the United States. Our team is actively investigating this issue. We will provide another update in 24 hours or as soon as more information becomes available.

INVESTIGATING 24 days ago - at 03/27/2026 06:25AM

Twilio customers may be experiencing SMS delivery delays from a subset of Twilio Short Codes to Cellcom network subscribers in the United States. Our team is actively investigating this issue. We will provide another update in 16 hours or as soon as more information becomes available.

INVESTIGATING 24 days ago - at 03/26/2026 10:25PM

Twilio customers may be experiencing SMS delivery delays from a subset of Twilio Short Codes to Cellcom network subscribers in the United States. Our team is actively investigating this issue. We will provide another update in 8 hours or as soon as more information becomes available.

INVESTIGATING 24 days ago - at 03/26/2026 06:50PM

Twilio customers may be experiencing SMS delivery delays from a subset of Twilio Short Codes to Cellcom 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.

INVESTIGATING 24 days ago - at 03/26/2026 05:01PM

Twilio customers may be experiencing SMS delivery delays from a subset of Twilio Short Codes to Cellcom 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 24 days ago - at 03/26/2026 04:11PM

Latest Zipwhip outages

SMS Delivery Delays from Twilio to Tigo Honduras - about 18 hours ago

Voice Call Failures from Network Subscribers to Twilio Norway Phone Numbers. - about 23 hours ago

Voice Call Failures from Network Subscribers to Twilio Norway Phone Numbers - about 24 hours ago

SMS Delivery Delays from Twilio to Multiple Networks in India - 1 day ago

RCS Messages and Receipts are delayed on AT&T Network - 2 days ago

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